Home / 10,589.51-15,885.05-3,569.55

Finding the Fourth Proportional to 10,589.51, 15,885.05 and 3,569.55

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Solution

The fourth proportional to 10,589.51, 15,885.05 and 3,569.55 is: 5,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.51 : 15,885.05 = 3,569.55 : x
  2. Step 2: Convert to fraction form
    10,589.51/15,885.05 = 3,569.55/x
  3. Step 3: Cross multiply
    10,589.51x = 15,885.05 × 3,569.55
  4. Step 4: Simplify right side
    10,589.51x = 56,702,462.38
  5. Step 5: Solve for x
    x = 56,702,462.38/10,589.51
  6. Step 6: Final answer
    x = 5,354.59

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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.