Home / 13,276.60-19,890.18-9,057.40

Finding the Fourth Proportional to 13,276.60, 19,890.18 and 9,057.40

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Solution

The fourth proportional to 13,276.60, 19,890.18 and 9,057.40 is: 13,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.60 : 19,890.18 = 9,057.40 : x
  2. Step 2: Convert to fraction form
    13,276.60/19,890.18 = 9,057.40/x
  3. Step 3: Cross multiply
    13,276.60x = 19,890.18 × 9,057.40
  4. Step 4: Simplify right side
    13,276.60x = 180,153,316.33
  5. Step 5: Solve for x
    x = 180,153,316.33/13,276.60
  6. Step 6: Final answer
    x = 13,569.24

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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.