Home / 15,570.80-23,356.20-8,993.60

Finding the Fourth Proportional to 15,570.80, 23,356.20 and 8,993.60

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Solution

The fourth proportional to 15,570.80, 23,356.20 and 8,993.60 is: 13,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.80 : 23,356.20 = 8,993.60 : x
  2. Step 2: Convert to fraction form
    15,570.80/23,356.20 = 8,993.60/x
  3. Step 3: Cross multiply
    15,570.80x = 23,356.20 × 8,993.60
  4. Step 4: Simplify right side
    15,570.80x = 210,056,320.32
  5. Step 5: Solve for x
    x = 210,056,320.32/15,570.80
  6. Step 6: Final answer
    x = 13,490.40

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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.