Home / 15,726.93-21,703.16-9,012.24

Finding the Fourth Proportional to 15,726.93, 21,703.16 and 9,012.24

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Solution

The fourth proportional to 15,726.93, 21,703.16 and 9,012.24 is: 12,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726.93 : 21,703.16 = 9,012.24 : x
  2. Step 2: Convert to fraction form
    15,726.93/21,703.16 = 9,012.24/x
  3. Step 3: Cross multiply
    15,726.93x = 21,703.16 × 9,012.24
  4. Step 4: Simplify right side
    15,726.93x = 195,594,041.62
  5. Step 5: Solve for x
    x = 195,594,041.62/15,726.93
  6. Step 6: Final answer
    x = 12,436.89

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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.