Home / 10,323.06-15,486.77-5,391.38

Finding the Fourth Proportional to 10,323.06, 15,486.77 and 5,391.38

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Solution

The fourth proportional to 10,323.06, 15,486.77 and 5,391.38 is: 8,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.06 : 15,486.77 = 5,391.38 : x
  2. Step 2: Convert to fraction form
    10,323.06/15,486.77 = 5,391.38/x
  3. Step 3: Cross multiply
    10,323.06x = 15,486.77 × 5,391.38
  4. Step 4: Simplify right side
    10,323.06x = 83,495,062.04
  5. Step 5: Solve for x
    x = 83,495,062.04/10,323.06
  6. Step 6: Final answer
    x = 8,088.21

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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.