Home / 15,148.80-22,601.52-13,485.60

Finding the Fourth Proportional to 15,148.80, 22,601.52 and 13,485.60

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Solution

The fourth proportional to 15,148.80, 22,601.52 and 13,485.60 is: 20,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.80 : 22,601.52 = 13,485.60 : x
  2. Step 2: Convert to fraction form
    15,148.80/22,601.52 = 13,485.60/x
  3. Step 3: Cross multiply
    15,148.80x = 22,601.52 × 13,485.60
  4. Step 4: Simplify right side
    15,148.80x = 304,795,058.11
  5. Step 5: Solve for x
    x = 304,795,058.11/15,148.80
  6. Step 6: Final answer
    x = 20,120.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.