Home / 19,871.36-29,798.96-8,627.52

Finding the Fourth Proportional to 19,871.36, 29,798.96 and 8,627.52

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Solution

The fourth proportional to 19,871.36, 29,798.96 and 8,627.52 is: 12,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871.36 : 29,798.96 = 8,627.52 : x
  2. Step 2: Convert to fraction form
    19,871.36/29,798.96 = 8,627.52/x
  3. Step 3: Cross multiply
    19,871.36x = 29,798.96 × 8,627.52
  4. Step 4: Simplify right side
    19,871.36x = 257,091,123.38
  5. Step 5: Solve for x
    x = 257,091,123.38/19,871.36
  6. Step 6: Final answer
    x = 12,937.77

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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.