Home / 15,929.60-23,905.20-10,369.40

Finding the Fourth Proportional to 15,929.60, 23,905.20 and 10,369.40

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Solution

The fourth proportional to 15,929.60, 23,905.20 and 10,369.40 is: 15,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,929.60 : 23,905.20 = 10,369.40 : x
  2. Step 2: Convert to fraction form
    15,929.60/23,905.20 = 10,369.40/x
  3. Step 3: Cross multiply
    15,929.60x = 23,905.20 × 10,369.40
  4. Step 4: Simplify right side
    15,929.60x = 247,882,580.88
  5. Step 5: Solve for x
    x = 247,882,580.88/15,929.60
  6. Step 6: Final answer
    x = 15,561.13

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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.