Home / 12,862.35-17,752.10-7,558.47

Finding the Fourth Proportional to 12,862.35, 17,752.10 and 7,558.47

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Solution

The fourth proportional to 12,862.35, 17,752.10 and 7,558.47 is: 10,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.35 : 17,752.10 = 7,558.47 : x
  2. Step 2: Convert to fraction form
    12,862.35/17,752.10 = 7,558.47/x
  3. Step 3: Cross multiply
    12,862.35x = 17,752.10 × 7,558.47
  4. Step 4: Simplify right side
    12,862.35x = 134,178,677.49
  5. Step 5: Solve for x
    x = 134,178,677.49/12,862.35
  6. Step 6: Final answer
    x = 10,431.89

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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.