Home / 14,389.34-19,862.68-10,642.66

Finding the Fourth Proportional to 14,389.34, 19,862.68 and 10,642.66

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Solution

The fourth proportional to 14,389.34, 19,862.68 and 10,642.66 is: 14,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.34 : 19,862.68 = 10,642.66 : x
  2. Step 2: Convert to fraction form
    14,389.34/19,862.68 = 10,642.66/x
  3. Step 3: Cross multiply
    14,389.34x = 19,862.68 × 10,642.66
  4. Step 4: Simplify right side
    14,389.34x = 211,391,749.93
  5. Step 5: Solve for x
    x = 211,391,749.93/14,389.34
  6. Step 6: Final answer
    x = 14,690.86

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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.