Home / 11,521.28-17,248.98-10,602.74

Finding the Fourth Proportional to 11,521.28, 17,248.98 and 10,602.74

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Solution

The fourth proportional to 11,521.28, 17,248.98 and 10,602.74 is: 15,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.28 : 17,248.98 = 10,602.74 : x
  2. Step 2: Convert to fraction form
    11,521.28/17,248.98 = 10,602.74/x
  3. Step 3: Cross multiply
    11,521.28x = 17,248.98 × 10,602.74
  4. Step 4: Simplify right side
    11,521.28x = 182,886,450.21
  5. Step 5: Solve for x
    x = 182,886,450.21/11,521.28
  6. Step 6: Final answer
    x = 15,873.80

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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.