Home / 11,337.16-15,642.88-6,860.04

Finding the Fourth Proportional to 11,337.16, 15,642.88 and 6,860.04

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Solution

The fourth proportional to 11,337.16, 15,642.88 and 6,860.04 is: 9,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.16 : 15,642.88 = 6,860.04 : x
  2. Step 2: Convert to fraction form
    11,337.16/15,642.88 = 6,860.04/x
  3. Step 3: Cross multiply
    11,337.16x = 15,642.88 × 6,860.04
  4. Step 4: Simplify right side
    11,337.16x = 107,310,782.52
  5. Step 5: Solve for x
    x = 107,310,782.52/11,337.16
  6. Step 6: Final answer
    x = 9,465.40

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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.