Home / 10,345.56-15,518.40-2,950

Finding the Fourth Proportional to 10,345.56, 15,518.40 and 2,950

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Solution

The fourth proportional to 10,345.56, 15,518.40 and 2,950 is: 4,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.56 : 15,518.40 = 2,950 : x
  2. Step 2: Convert to fraction form
    10,345.56/15,518.40 = 2,950/x
  3. Step 3: Cross multiply
    10,345.56x = 15,518.40 × 2,950
  4. Step 4: Simplify right side
    10,345.56x = 45,779,280
  5. Step 5: Solve for x
    x = 45,779,280/10,345.56
  6. Step 6: Final answer
    x = 4,425.02

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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.