Home / 12,488.59-17,235.26-7,454.35

Finding the Fourth Proportional to 12,488.59, 17,235.26 and 7,454.35

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Solution

The fourth proportional to 12,488.59, 17,235.26 and 7,454.35 is: 10,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.59 : 17,235.26 = 7,454.35 : x
  2. Step 2: Convert to fraction form
    12,488.59/17,235.26 = 7,454.35/x
  3. Step 3: Cross multiply
    12,488.59x = 17,235.26 × 7,454.35
  4. Step 4: Simplify right side
    12,488.59x = 128,477,623.11
  5. Step 5: Solve for x
    x = 128,477,623.11/12,488.59
  6. Step 6: Final answer
    x = 10,287.60

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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.