Home / 18,566.10-25,587.72-13,522.32

Finding the Fourth Proportional to 18,566.10, 25,587.72 and 13,522.32

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Solution

The fourth proportional to 18,566.10, 25,587.72 and 13,522.32 is: 18,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.10 : 25,587.72 = 13,522.32 : x
  2. Step 2: Convert to fraction form
    18,566.10/25,587.72 = 13,522.32/x
  3. Step 3: Cross multiply
    18,566.10x = 25,587.72 × 13,522.32
  4. Step 4: Simplify right side
    18,566.10x = 346,005,337.91
  5. Step 5: Solve for x
    x = 346,005,337.91/18,566.10
  6. Step 6: Final answer
    x = 18,636.40

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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.