Home / 18,339.30-25,307.82-10,784.16

Finding the Fourth Proportional to 18,339.30, 25,307.82 and 10,784.16

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Solution

The fourth proportional to 18,339.30, 25,307.82 and 10,784.16 is: 14,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.30 : 25,307.82 = 10,784.16 : x
  2. Step 2: Convert to fraction form
    18,339.30/25,307.82 = 10,784.16/x
  3. Step 3: Cross multiply
    18,339.30x = 25,307.82 × 10,784.16
  4. Step 4: Simplify right side
    18,339.30x = 272,923,580.13
  5. Step 5: Solve for x
    x = 272,923,580.13/18,339.30
  6. Step 6: Final answer
    x = 14,881.90

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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.