Home / 10,767.42-14,854.05-6,291.36

Finding the Fourth Proportional to 10,767.42, 14,854.05 and 6,291.36

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Solution

The fourth proportional to 10,767.42, 14,854.05 and 6,291.36 is: 8,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,767.42 : 14,854.05 = 6,291.36 : x
  2. Step 2: Convert to fraction form
    10,767.42/14,854.05 = 6,291.36/x
  3. Step 3: Cross multiply
    10,767.42x = 14,854.05 × 6,291.36
  4. Step 4: Simplify right side
    10,767.42x = 93,452,176.01
  5. Step 5: Solve for x
    x = 93,452,176.01/10,767.42
  6. Step 6: Final answer
    x = 8,679.16

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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.