Home / 15,215.61-22,693.29-14,686.56

Finding the Fourth Proportional to 15,215.61, 22,693.29 and 14,686.56

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Solution

The fourth proportional to 15,215.61, 22,693.29 and 14,686.56 is: 21,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215.61 : 22,693.29 = 14,686.56 : x
  2. Step 2: Convert to fraction form
    15,215.61/22,693.29 = 14,686.56/x
  3. Step 3: Cross multiply
    15,215.61x = 22,693.29 × 14,686.56
  4. Step 4: Simplify right side
    15,215.61x = 333,286,365.18
  5. Step 5: Solve for x
    x = 333,286,365.18/15,215.61
  6. Step 6: Final answer
    x = 21,904.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.