Home / 15,543.40-23,336.70-9,711.40

Finding the Fourth Proportional to 15,543.40, 23,336.70 and 9,711.40

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Solution

The fourth proportional to 15,543.40, 23,336.70 and 9,711.40 is: 14,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.40 : 23,336.70 = 9,711.40 : x
  2. Step 2: Convert to fraction form
    15,543.40/23,336.70 = 9,711.40/x
  3. Step 3: Cross multiply
    15,543.40x = 23,336.70 × 9,711.40
  4. Step 4: Simplify right side
    15,543.40x = 226,632,028.38
  5. Step 5: Solve for x
    x = 226,632,028.38/15,543.40
  6. Step 6: Final answer
    x = 14,580.60

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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.