Home / 10,341.33-15,510.53-3,320.44

Finding the Fourth Proportional to 10,341.33, 15,510.53 and 3,320.44

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Solution

The fourth proportional to 10,341.33, 15,510.53 and 3,320.44 is: 4,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.33 : 15,510.53 = 3,320.44 : x
  2. Step 2: Convert to fraction form
    10,341.33/15,510.53 = 3,320.44/x
  3. Step 3: Cross multiply
    10,341.33x = 15,510.53 × 3,320.44
  4. Step 4: Simplify right side
    10,341.33x = 51,501,690.08
  5. Step 5: Solve for x
    x = 51,501,690.08/10,341.33
  6. Step 6: Final answer
    x = 4,980.18

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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.