Home / 10,845.28-14,973.64-7,024.12

Finding the Fourth Proportional to 10,845.28, 14,973.64 and 7,024.12

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Solution

The fourth proportional to 10,845.28, 14,973.64 and 7,024.12 is: 9,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.28 : 14,973.64 = 7,024.12 : x
  2. Step 2: Convert to fraction form
    10,845.28/14,973.64 = 7,024.12/x
  3. Step 3: Cross multiply
    10,845.28x = 14,973.64 × 7,024.12
  4. Step 4: Simplify right side
    10,845.28x = 105,176,644.20
  5. Step 5: Solve for x
    x = 105,176,644.20/10,845.28
  6. Step 6: Final answer
    x = 9,697.92

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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.