Home / 10,400.36-15,595.07-5,135.13

Finding the Fourth Proportional to 10,400.36, 15,595.07 and 5,135.13

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Solution

The fourth proportional to 10,400.36, 15,595.07 and 5,135.13 is: 7,700.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.36 : 15,595.07 = 5,135.13 : x
  2. Step 2: Convert to fraction form
    10,400.36/15,595.07 = 5,135.13/x
  3. Step 3: Cross multiply
    10,400.36x = 15,595.07 × 5,135.13
  4. Step 4: Simplify right side
    10,400.36x = 80,082,686.13
  5. Step 5: Solve for x
    x = 80,082,686.13/10,400.36
  6. Step 6: Final answer
    x = 7,700.00

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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.