Home / 15,603.60-23,356.80-9,010.20

Finding the Fourth Proportional to 15,603.60, 23,356.80 and 9,010.20

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Solution

The fourth proportional to 15,603.60, 23,356.80 and 9,010.20 is: 13,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.60 : 23,356.80 = 9,010.20 : x
  2. Step 2: Convert to fraction form
    15,603.60/23,356.80 = 9,010.20/x
  3. Step 3: Cross multiply
    15,603.60x = 23,356.80 × 9,010.20
  4. Step 4: Simplify right side
    15,603.60x = 210,449,439.36
  5. Step 5: Solve for x
    x = 210,449,439.36/15,603.60
  6. Step 6: Final answer
    x = 13,487.24

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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.