Home / 10,426.20-15,600.07-7,312.29

Finding the Fourth Proportional to 10,426.20, 15,600.07 and 7,312.29

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Solution

The fourth proportional to 10,426.20, 15,600.07 and 7,312.29 is: 10,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.20 : 15,600.07 = 7,312.29 : x
  2. Step 2: Convert to fraction form
    10,426.20/15,600.07 = 7,312.29/x
  3. Step 3: Cross multiply
    10,426.20x = 15,600.07 × 7,312.29
  4. Step 4: Simplify right side
    10,426.20x = 114,072,178.58
  5. Step 5: Solve for x
    x = 114,072,178.58/10,426.20
  6. Step 6: Final answer
    x = 10,940.91

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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.