Home / 10,026.40-15,043.20-9,666.40

Finding the Fourth Proportional to 10,026.40, 15,043.20 and 9,666.40

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Solution

The fourth proportional to 10,026.40, 15,043.20 and 9,666.40 is: 14,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,026.40 : 15,043.20 = 9,666.40 : x
  2. Step 2: Convert to fraction form
    10,026.40/15,043.20 = 9,666.40/x
  3. Step 3: Cross multiply
    10,026.40x = 15,043.20 × 9,666.40
  4. Step 4: Simplify right side
    10,026.40x = 145,413,588.48
  5. Step 5: Solve for x
    x = 145,413,588.48/10,026.40
  6. Step 6: Final answer
    x = 14,503.07

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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.