Home / 12,775.48-17,631.00-7,110.16

Finding the Fourth Proportional to 12,775.48, 17,631.00 and 7,110.16

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Solution

The fourth proportional to 12,775.48, 17,631.00 and 7,110.16 is: 9,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.48 : 17,631.00 = 7,110.16 : x
  2. Step 2: Convert to fraction form
    12,775.48/17,631.00 = 7,110.16/x
  3. Step 3: Cross multiply
    12,775.48x = 17,631.00 × 7,110.16
  4. Step 4: Simplify right side
    12,775.48x = 125,359,248.74
  5. Step 5: Solve for x
    x = 125,359,248.74/12,775.48
  6. Step 6: Final answer
    x = 9,812.49

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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.