Home / 15,518.51-23,279.13-4,424.93

Finding the Fourth Proportional to 15,518.51, 23,279.13 and 4,424.93

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Solution

The fourth proportional to 15,518.51, 23,279.13 and 4,424.93 is: 6,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.51 : 23,279.13 = 4,424.93 : x
  2. Step 2: Convert to fraction form
    15,518.51/23,279.13 = 4,424.93/x
  3. Step 3: Cross multiply
    15,518.51x = 23,279.13 × 4,424.93
  4. Step 4: Simplify right side
    15,518.51x = 103,008,520.71
  5. Step 5: Solve for x
    x = 103,008,520.71/15,518.51
  6. Step 6: Final answer
    x = 6,637.78

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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.