Home / 15,467.48-21,345.12-8,752.96

Finding the Fourth Proportional to 15,467.48, 21,345.12 and 8,752.96

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Solution

The fourth proportional to 15,467.48, 21,345.12 and 8,752.96 is: 12,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.48 : 21,345.12 = 8,752.96 : x
  2. Step 2: Convert to fraction form
    15,467.48/21,345.12 = 8,752.96/x
  3. Step 3: Cross multiply
    15,467.48x = 21,345.12 × 8,752.96
  4. Step 4: Simplify right side
    15,467.48x = 186,832,981.56
  5. Step 5: Solve for x
    x = 186,832,981.56/15,467.48
  6. Step 6: Final answer
    x = 12,079.08

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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.