Home / 14,707.78-22,056.15-5,345.49

Finding the Fourth Proportional to 14,707.78, 22,056.15 and 5,345.49

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Solution

The fourth proportional to 14,707.78, 22,056.15 and 5,345.49 is: 8,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.78 : 22,056.15 = 5,345.49 : x
  2. Step 2: Convert to fraction form
    14,707.78/22,056.15 = 5,345.49/x
  3. Step 3: Cross multiply
    14,707.78x = 22,056.15 × 5,345.49
  4. Step 4: Simplify right side
    14,707.78x = 117,900,929.26
  5. Step 5: Solve for x
    x = 117,900,929.26/14,707.78
  6. Step 6: Final answer
    x = 8,016.23

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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.