Home / 15,314.15-22,971.15-4,220.93

Finding the Fourth Proportional to 15,314.15, 22,971.15 and 4,220.93

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Solution

The fourth proportional to 15,314.15, 22,971.15 and 4,220.93 is: 6,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314.15 : 22,971.15 = 4,220.93 : x
  2. Step 2: Convert to fraction form
    15,314.15/22,971.15 = 4,220.93/x
  3. Step 3: Cross multiply
    15,314.15x = 22,971.15 × 4,220.93
  4. Step 4: Simplify right side
    15,314.15x = 96,959,501.31
  5. Step 5: Solve for x
    x = 96,959,501.31/15,314.15
  6. Step 6: Final answer
    x = 6,331.37

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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.