Home / 20,002.95-27,603.01-11,503.72

Finding the Fourth Proportional to 20,002.95, 27,603.01 and 11,503.72

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Solution

The fourth proportional to 20,002.95, 27,603.01 and 11,503.72 is: 15,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.95 : 27,603.01 = 11,503.72 : x
  2. Step 2: Convert to fraction form
    20,002.95/27,603.01 = 11,503.72/x
  3. Step 3: Cross multiply
    20,002.95x = 27,603.01 × 11,503.72
  4. Step 4: Simplify right side
    20,002.95x = 317,537,298.20
  5. Step 5: Solve for x
    x = 317,537,298.20/20,002.95
  6. Step 6: Final answer
    x = 15,874.52

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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.