Home / 15,478.50-23,218.29-5,091.06

Finding the Fourth Proportional to 15,478.50, 23,218.29 and 5,091.06

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Solution

The fourth proportional to 15,478.50, 23,218.29 and 5,091.06 is: 7,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.50 : 23,218.29 = 5,091.06 : x
  2. Step 2: Convert to fraction form
    15,478.50/23,218.29 = 5,091.06/x
  3. Step 3: Cross multiply
    15,478.50x = 23,218.29 × 5,091.06
  4. Step 4: Simplify right side
    15,478.50x = 118,205,707.49
  5. Step 5: Solve for x
    x = 118,205,707.49/15,478.50
  6. Step 6: Final answer
    x = 7,636.77

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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.