Home / 15,603.02-23,391.57-10,909.61

Finding the Fourth Proportional to 15,603.02, 23,391.57 and 10,909.61

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Solution

The fourth proportional to 15,603.02, 23,391.57 and 10,909.61 is: 16,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.02 : 23,391.57 = 10,909.61 : x
  2. Step 2: Convert to fraction form
    15,603.02/23,391.57 = 10,909.61/x
  3. Step 3: Cross multiply
    15,603.02x = 23,391.57 × 10,909.61
  4. Step 4: Simplify right side
    15,603.02x = 255,192,905.99
  5. Step 5: Solve for x
    x = 255,192,905.99/15,603.02
  6. Step 6: Final answer
    x = 16,355.35

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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.