Home / 14,031.28-19,363-7,743.52

Finding the Fourth Proportional to 14,031.28, 19,363 and 7,743.52

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Solution

The fourth proportional to 14,031.28, 19,363 and 7,743.52 is: 10,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.28 : 19,363 = 7,743.52 : x
  2. Step 2: Convert to fraction form
    14,031.28/19,363 = 7,743.52/x
  3. Step 3: Cross multiply
    14,031.28x = 19,363 × 7,743.52
  4. Step 4: Simplify right side
    14,031.28x = 149,937,777.76
  5. Step 5: Solve for x
    x = 149,937,777.76/14,031.28
  6. Step 6: Final answer
    x = 10,685.97

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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.