Home / 10,548.60-15,801.30-5,357.40

Finding the Fourth Proportional to 10,548.60, 15,801.30 and 5,357.40

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Solution

The fourth proportional to 10,548.60, 15,801.30 and 5,357.40 is: 8,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.60 : 15,801.30 = 5,357.40 : x
  2. Step 2: Convert to fraction form
    10,548.60/15,801.30 = 5,357.40/x
  3. Step 3: Cross multiply
    10,548.60x = 15,801.30 × 5,357.40
  4. Step 4: Simplify right side
    10,548.60x = 84,653,884.62
  5. Step 5: Solve for x
    x = 84,653,884.62/10,548.60
  6. Step 6: Final answer
    x = 8,025.13

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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.