Home / 11,130.16-15,360.03-6,350.88

Finding the Fourth Proportional to 11,130.16, 15,360.03 and 6,350.88

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Solution

The fourth proportional to 11,130.16, 15,360.03 and 6,350.88 is: 8,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.16 : 15,360.03 = 6,350.88 : x
  2. Step 2: Convert to fraction form
    11,130.16/15,360.03 = 6,350.88/x
  3. Step 3: Cross multiply
    11,130.16x = 15,360.03 × 6,350.88
  4. Step 4: Simplify right side
    11,130.16x = 97,549,647.42
  5. Step 5: Solve for x
    x = 97,549,647.42/11,130.16
  6. Step 6: Final answer
    x = 8,764.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.