Home / 19,681.42-29,519.70-8,595.76

Finding the Fourth Proportional to 19,681.42, 29,519.70 and 8,595.76

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Solution

The fourth proportional to 19,681.42, 29,519.70 and 8,595.76 is: 12,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681.42 : 29,519.70 = 8,595.76 : x
  2. Step 2: Convert to fraction form
    19,681.42/29,519.70 = 8,595.76/x
  3. Step 3: Cross multiply
    19,681.42x = 29,519.70 × 8,595.76
  4. Step 4: Simplify right side
    19,681.42x = 253,744,256.47
  5. Step 5: Solve for x
    x = 253,744,256.47/19,681.42
  6. Step 6: Final answer
    x = 12,892.58

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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.