Home / 15,813.18-23,717.70-9,890.55

Finding the Fourth Proportional to 15,813.18, 23,717.70 and 9,890.55

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Solution

The fourth proportional to 15,813.18, 23,717.70 and 9,890.55 is: 14,834.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.18 : 23,717.70 = 9,890.55 : x
  2. Step 2: Convert to fraction form
    15,813.18/23,717.70 = 9,890.55/x
  3. Step 3: Cross multiply
    15,813.18x = 23,717.70 × 9,890.55
  4. Step 4: Simplify right side
    15,813.18x = 234,581,097.74
  5. Step 5: Solve for x
    x = 234,581,097.74/15,813.18
  6. Step 6: Final answer
    x = 14,834.53

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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.