Home / 10,127.50-15,199.08-7,029.25

Finding the Fourth Proportional to 10,127.50, 15,199.08 and 7,029.25

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Solution

The fourth proportional to 10,127.50, 15,199.08 and 7,029.25 is: 10,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.50 : 15,199.08 = 7,029.25 : x
  2. Step 2: Convert to fraction form
    10,127.50/15,199.08 = 7,029.25/x
  3. Step 3: Cross multiply
    10,127.50x = 15,199.08 × 7,029.25
  4. Step 4: Simplify right side
    10,127.50x = 106,838,133.09
  5. Step 5: Solve for x
    x = 106,838,133.09/10,127.50
  6. Step 6: Final answer
    x = 10,549.31

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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.