Home / 15,245.19-21,048.15-9,587.73

Finding the Fourth Proportional to 15,245.19, 21,048.15 and 9,587.73

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Solution

The fourth proportional to 15,245.19, 21,048.15 and 9,587.73 is: 13,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245.19 : 21,048.15 = 9,587.73 : x
  2. Step 2: Convert to fraction form
    15,245.19/21,048.15 = 9,587.73/x
  3. Step 3: Cross multiply
    15,245.19x = 21,048.15 × 9,587.73
  4. Step 4: Simplify right side
    15,245.19x = 201,803,979.20
  5. Step 5: Solve for x
    x = 201,803,979.20/15,245.19
  6. Step 6: Final answer
    x = 13,237.22

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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.