Home / 10,642.51-14,686.68-6,167.12

Finding the Fourth Proportional to 10,642.51, 14,686.68 and 6,167.12

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Solution

The fourth proportional to 10,642.51, 14,686.68 and 6,167.12 is: 8,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.51 : 14,686.68 = 6,167.12 : x
  2. Step 2: Convert to fraction form
    10,642.51/14,686.68 = 6,167.12/x
  3. Step 3: Cross multiply
    10,642.51x = 14,686.68 × 6,167.12
  4. Step 4: Simplify right side
    10,642.51x = 90,574,487.13
  5. Step 5: Solve for x
    x = 90,574,487.13/10,642.51
  6. Step 6: Final answer
    x = 8,510.64

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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.