Home / 10,642.19-14,686.38-5,862.11

Finding the Fourth Proportional to 10,642.19, 14,686.38 and 5,862.11

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Solution

The fourth proportional to 10,642.19, 14,686.38 and 5,862.11 is: 8,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.19 : 14,686.38 = 5,862.11 : x
  2. Step 2: Convert to fraction form
    10,642.19/14,686.38 = 5,862.11/x
  3. Step 3: Cross multiply
    10,642.19x = 14,686.38 × 5,862.11
  4. Step 4: Simplify right side
    10,642.19x = 86,093,101.63
  5. Step 5: Solve for x
    x = 86,093,101.63/10,642.19
  6. Step 6: Final answer
    x = 8,089.80

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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.