Home / 10,549.30-15,810.11-7,762.93

Finding the Fourth Proportional to 10,549.30, 15,810.11 and 7,762.93

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Solution

The fourth proportional to 10,549.30, 15,810.11 and 7,762.93 is: 11,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.30 : 15,810.11 = 7,762.93 : x
  2. Step 2: Convert to fraction form
    10,549.30/15,810.11 = 7,762.93/x
  3. Step 3: Cross multiply
    10,549.30x = 15,810.11 × 7,762.93
  4. Step 4: Simplify right side
    10,549.30x = 122,732,659.36
  5. Step 5: Solve for x
    x = 122,732,659.36/10,549.30
  6. Step 6: Final answer
    x = 11,634.20

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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.