Home / 10,345.08-15,515.10-2,950.20

Finding the Fourth Proportional to 10,345.08, 15,515.10 and 2,950.20

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Solution

The fourth proportional to 10,345.08, 15,515.10 and 2,950.20 is: 4,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.08 : 15,515.10 = 2,950.20 : x
  2. Step 2: Convert to fraction form
    10,345.08/15,515.10 = 2,950.20/x
  3. Step 3: Cross multiply
    10,345.08x = 15,515.10 × 2,950.20
  4. Step 4: Simplify right side
    10,345.08x = 45,772,648.02
  5. Step 5: Solve for x
    x = 45,772,648.02/10,345.08
  6. Step 6: Final answer
    x = 4,424.58

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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.