Home / 10,302.52-14,213.45-6,721.69

Finding the Fourth Proportional to 10,302.52, 14,213.45 and 6,721.69

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Solution

The fourth proportional to 10,302.52, 14,213.45 and 6,721.69 is: 9,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.52 : 14,213.45 = 6,721.69 : x
  2. Step 2: Convert to fraction form
    10,302.52/14,213.45 = 6,721.69/x
  3. Step 3: Cross multiply
    10,302.52x = 14,213.45 × 6,721.69
  4. Step 4: Simplify right side
    10,302.52x = 95,538,386.00
  5. Step 5: Solve for x
    x = 95,538,386.00/10,302.52
  6. Step 6: Final answer
    x = 9,273.30

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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.