Home / 10,152.09-15,203.16-8,386.29

Finding the Fourth Proportional to 10,152.09, 15,203.16 and 8,386.29

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Solution

The fourth proportional to 10,152.09, 15,203.16 and 8,386.29 is: 12,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.09 : 15,203.16 = 8,386.29 : x
  2. Step 2: Convert to fraction form
    10,152.09/15,203.16 = 8,386.29/x
  3. Step 3: Cross multiply
    10,152.09x = 15,203.16 × 8,386.29
  4. Step 4: Simplify right side
    10,152.09x = 127,498,108.68
  5. Step 5: Solve for x
    x = 127,498,108.68/10,152.09
  6. Step 6: Final answer
    x = 12,558.80

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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.