Home / 15,023.07-20,726.38-11,574.79

Finding the Fourth Proportional to 15,023.07, 20,726.38 and 11,574.79

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Solution

The fourth proportional to 15,023.07, 20,726.38 and 11,574.79 is: 15,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,023.07 : 20,726.38 = 11,574.79 : x
  2. Step 2: Convert to fraction form
    15,023.07/20,726.38 = 11,574.79/x
  3. Step 3: Cross multiply
    15,023.07x = 20,726.38 × 11,574.79
  4. Step 4: Simplify right side
    15,023.07x = 239,903,458.61
  5. Step 5: Solve for x
    x = 239,903,458.61/15,023.07
  6. Step 6: Final answer
    x = 15,969.00

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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.