Home / 15,854.95-23,760.55-11,955.07

Finding the Fourth Proportional to 15,854.95, 23,760.55 and 11,955.07

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Solution

The fourth proportional to 15,854.95, 23,760.55 and 11,955.07 is: 17,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854.95 : 23,760.55 = 11,955.07 : x
  2. Step 2: Convert to fraction form
    15,854.95/23,760.55 = 11,955.07/x
  3. Step 3: Cross multiply
    15,854.95x = 23,760.55 × 11,955.07
  4. Step 4: Simplify right side
    15,854.95x = 284,059,038.49
  5. Step 5: Solve for x
    x = 284,059,038.49/15,854.95
  6. Step 6: Final answer
    x = 17,916.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.