Home / 18,454.08-27,681.12-4,603.20

Finding the Fourth Proportional to 18,454.08, 27,681.12 and 4,603.20

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Solution

The fourth proportional to 18,454.08, 27,681.12 and 4,603.20 is: 6,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.08 : 27,681.12 = 4,603.20 : x
  2. Step 2: Convert to fraction form
    18,454.08/27,681.12 = 4,603.20/x
  3. Step 3: Cross multiply
    18,454.08x = 27,681.12 × 4,603.20
  4. Step 4: Simplify right side
    18,454.08x = 127,421,731.58
  5. Step 5: Solve for x
    x = 127,421,731.58/18,454.08
  6. Step 6: Final answer
    x = 6,904.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.