Home / 12,882.98-19,323.86-7,549.13

Finding the Fourth Proportional to 12,882.98, 19,323.86 and 7,549.13

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Solution

The fourth proportional to 12,882.98, 19,323.86 and 7,549.13 is: 11,323.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882.98 : 19,323.86 = 7,549.13 : x
  2. Step 2: Convert to fraction form
    12,882.98/19,323.86 = 7,549.13/x
  3. Step 3: Cross multiply
    12,882.98x = 19,323.86 × 7,549.13
  4. Step 4: Simplify right side
    12,882.98x = 145,878,341.81
  5. Step 5: Solve for x
    x = 145,878,341.81/12,882.98
  6. Step 6: Final answer
    x = 11,323.34

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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.