Home / 12,837.30-17,715.21-7,248.30

Finding the Fourth Proportional to 12,837.30, 17,715.21 and 7,248.30

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Solution

The fourth proportional to 12,837.30, 17,715.21 and 7,248.30 is: 10,002.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.30 : 17,715.21 = 7,248.30 : x
  2. Step 2: Convert to fraction form
    12,837.30/17,715.21 = 7,248.30/x
  3. Step 3: Cross multiply
    12,837.30x = 17,715.21 × 7,248.30
  4. Step 4: Simplify right side
    12,837.30x = 128,405,156.64
  5. Step 5: Solve for x
    x = 128,405,156.64/12,837.30
  6. Step 6: Final answer
    x = 10,002.50

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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.