Home / 10,292.64-15,430.32-6,996.48

Finding the Fourth Proportional to 10,292.64, 15,430.32 and 6,996.48

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Solution

The fourth proportional to 10,292.64, 15,430.32 and 6,996.48 is: 10,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.64 : 15,430.32 = 6,996.48 : x
  2. Step 2: Convert to fraction form
    10,292.64/15,430.32 = 6,996.48/x
  3. Step 3: Cross multiply
    10,292.64x = 15,430.32 × 6,996.48
  4. Step 4: Simplify right side
    10,292.64x = 107,957,925.27
  5. Step 5: Solve for x
    x = 107,957,925.27/10,292.64
  6. Step 6: Final answer
    x = 10,488.85

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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.