Home / 14,218.93-19,623.02-7,931.29

Finding the Fourth Proportional to 14,218.93, 19,623.02 and 7,931.29

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Solution

The fourth proportional to 14,218.93, 19,623.02 and 7,931.29 is: 10,945.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.93 : 19,623.02 = 7,931.29 : x
  2. Step 2: Convert to fraction form
    14,218.93/19,623.02 = 7,931.29/x
  3. Step 3: Cross multiply
    14,218.93x = 19,623.02 × 7,931.29
  4. Step 4: Simplify right side
    14,218.93x = 155,635,862.30
  5. Step 5: Solve for x
    x = 155,635,862.30/14,218.93
  6. Step 6: Final answer
    x = 10,945.68

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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.