Home / 10,540.02-15,809.46-5,345.76

Finding the Fourth Proportional to 10,540.02, 15,809.46 and 5,345.76

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Solution

The fourth proportional to 10,540.02, 15,809.46 and 5,345.76 is: 8,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.02 : 15,809.46 = 5,345.76 : x
  2. Step 2: Convert to fraction form
    10,540.02/15,809.46 = 5,345.76/x
  3. Step 3: Cross multiply
    10,540.02x = 15,809.46 × 5,345.76
  4. Step 4: Simplify right side
    10,540.02x = 84,513,578.89
  5. Step 5: Solve for x
    x = 84,513,578.89/10,540.02
  6. Step 6: Final answer
    x = 8,018.35

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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.