Home / 10,642.79-14,686.91-5,862.63

Finding the Fourth Proportional to 10,642.79, 14,686.91 and 5,862.63

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Solution

The fourth proportional to 10,642.79, 14,686.91 and 5,862.63 is: 8,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.79 : 14,686.91 = 5,862.63 : x
  2. Step 2: Convert to fraction form
    10,642.79/14,686.91 = 5,862.63/x
  3. Step 3: Cross multiply
    10,642.79x = 14,686.91 × 5,862.63
  4. Step 4: Simplify right side
    10,642.79x = 86,103,889.86
  5. Step 5: Solve for x
    x = 86,103,889.86/10,642.79
  6. Step 6: Final answer
    x = 8,090.35

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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.