Home / 21,153.34-31,715.43-10,050.67

Finding the Fourth Proportional to 21,153.34, 31,715.43 and 10,050.67

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Solution

The fourth proportional to 21,153.34, 31,715.43 and 10,050.67 is: 15,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,153.34 : 31,715.43 = 10,050.67 : x
  2. Step 2: Convert to fraction form
    21,153.34/31,715.43 = 10,050.67/x
  3. Step 3: Cross multiply
    21,153.34x = 31,715.43 × 10,050.67
  4. Step 4: Simplify right side
    21,153.34x = 318,761,320.84
  5. Step 5: Solve for x
    x = 318,761,320.84/21,153.34
  6. Step 6: Final answer
    x = 15,069.08

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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.