Home / 12,585.36-17,368.56-7,549.80

Finding the Fourth Proportional to 12,585.36, 17,368.56 and 7,549.80

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Solution

The fourth proportional to 12,585.36, 17,368.56 and 7,549.80 is: 10,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.36 : 17,368.56 = 7,549.80 : x
  2. Step 2: Convert to fraction form
    12,585.36/17,368.56 = 7,549.80/x
  3. Step 3: Cross multiply
    12,585.36x = 17,368.56 × 7,549.80
  4. Step 4: Simplify right side
    12,585.36x = 131,129,154.29
  5. Step 5: Solve for x
    x = 131,129,154.29/12,585.36
  6. Step 6: Final answer
    x = 10,419.18

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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.