Home / 10,030.60-15,053.10-5,643.40

Finding the Fourth Proportional to 10,030.60, 15,053.10 and 5,643.40

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Solution

The fourth proportional to 10,030.60, 15,053.10 and 5,643.40 is: 8,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.60 : 15,053.10 = 5,643.40 : x
  2. Step 2: Convert to fraction form
    10,030.60/15,053.10 = 5,643.40/x
  3. Step 3: Cross multiply
    10,030.60x = 15,053.10 × 5,643.40
  4. Step 4: Simplify right side
    10,030.60x = 84,950,664.54
  5. Step 5: Solve for x
    x = 84,950,664.54/10,030.60
  6. Step 6: Final answer
    x = 8,469.15

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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.