Home / 10,221.28-14,117.20-6,700.24

Finding the Fourth Proportional to 10,221.28, 14,117.20 and 6,700.24

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Solution

The fourth proportional to 10,221.28, 14,117.20 and 6,700.24 is: 9,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.28 : 14,117.20 = 6,700.24 : x
  2. Step 2: Convert to fraction form
    10,221.28/14,117.20 = 6,700.24/x
  3. Step 3: Cross multiply
    10,221.28x = 14,117.20 × 6,700.24
  4. Step 4: Simplify right side
    10,221.28x = 94,588,628.13
  5. Step 5: Solve for x
    x = 94,588,628.13/10,221.28
  6. Step 6: Final answer
    x = 9,254.09

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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.