Home / 39,572-59,358-11,870

Finding the Fourth Proportional to 39,572, 59,358 and 11,870

Calculator

Solution

The fourth proportional to 39,572, 59,358 and 11,870 is: 17,805

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,572 : 59,358 = 11,870 : x
  2. Step 2: Convert to fraction form
    39,572/59,358 = 11,870/x
  3. Step 3: Cross multiply
    39,572x = 59,358 × 11,870
  4. Step 4: Simplify right side
    39,572x = 704,579,460
  5. Step 5: Solve for x
    x = 704,579,460/39,572
  6. Step 6: Final answer
    x = 17,805

Related Problems

Find fourth proportional to 19,786, 29,679 and 5,935
Half scale
Find fourth proportional to 79,144, 118,716 and 23,740
Double scale
Find fourth proportional to 39,573, 59,359.50 and 11,871
Similar ratio
Find fourth proportional to 59,358, 89,037 and 17,805
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.