Home / 10,981.24-15,152.70-6,265.24

Finding the Fourth Proportional to 10,981.24, 15,152.70 and 6,265.24

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Solution

The fourth proportional to 10,981.24, 15,152.70 and 6,265.24 is: 8,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.24 : 15,152.70 = 6,265.24 : x
  2. Step 2: Convert to fraction form
    10,981.24/15,152.70 = 6,265.24/x
  3. Step 3: Cross multiply
    10,981.24x = 15,152.70 × 6,265.24
  4. Step 4: Simplify right side
    10,981.24x = 94,935,302.15
  5. Step 5: Solve for x
    x = 94,935,302.15/10,981.24
  6. Step 6: Final answer
    x = 8,645.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.