Home / 13,445.80-18,557.30-9,464.45

Finding the Fourth Proportional to 13,445.80, 18,557.30 and 9,464.45

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Solution

The fourth proportional to 13,445.80, 18,557.30 and 9,464.45 is: 13,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.80 : 18,557.30 = 9,464.45 : x
  2. Step 2: Convert to fraction form
    13,445.80/18,557.30 = 9,464.45/x
  3. Step 3: Cross multiply
    13,445.80x = 18,557.30 × 9,464.45
  4. Step 4: Simplify right side
    13,445.80x = 175,634,568.86
  5. Step 5: Solve for x
    x = 175,634,568.86/13,445.80
  6. Step 6: Final answer
    x = 13,062.41

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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.