Home / 14,402-21,603-3,458

Finding the Fourth Proportional to 14,402, 21,603 and 3,458

Calculator

Solution

The fourth proportional to 14,402, 21,603 and 3,458 is: 5,187

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402 : 21,603 = 3,458 : x
  2. Step 2: Convert to fraction form
    14,402/21,603 = 3,458/x
  3. Step 3: Cross multiply
    14,402x = 21,603 × 3,458
  4. Step 4: Simplify right side
    14,402x = 74,703,174
  5. Step 5: Solve for x
    x = 74,703,174/14,402
  6. Step 6: Final answer
    x = 5,187

Related Problems

Find fourth proportional to 7,201, 10,801.50 and 1,729
Half scale
Find fourth proportional to 28,804, 43,206 and 6,916
Double scale
Find fourth proportional to 14,403, 21,604.50 and 3,459
Similar ratio
Find fourth proportional to 21,603, 32,404.50 and 5,187
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.