Home / 18,307.16-25,263.45-10,349.04

Finding the Fourth Proportional to 18,307.16, 25,263.45 and 10,349.04

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Solution

The fourth proportional to 18,307.16, 25,263.45 and 10,349.04 is: 14,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.16 : 25,263.45 = 10,349.04 : x
  2. Step 2: Convert to fraction form
    18,307.16/25,263.45 = 10,349.04/x
  3. Step 3: Cross multiply
    18,307.16x = 25,263.45 × 10,349.04
  4. Step 4: Simplify right side
    18,307.16x = 261,452,454.59
  5. Step 5: Solve for x
    x = 261,452,454.59/18,307.16
  6. Step 6: Final answer
    x = 14,281.44

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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.