Home / 10,458.18-15,690.34-4,214.99

Finding the Fourth Proportional to 10,458.18, 15,690.34 and 4,214.99

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Solution

The fourth proportional to 10,458.18, 15,690.34 and 4,214.99 is: 6,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.18 : 15,690.34 = 4,214.99 : x
  2. Step 2: Convert to fraction form
    10,458.18/15,690.34 = 4,214.99/x
  3. Step 3: Cross multiply
    10,458.18x = 15,690.34 × 4,214.99
  4. Step 4: Simplify right side
    10,458.18x = 66,134,547.74
  5. Step 5: Solve for x
    x = 66,134,547.74/10,458.18
  6. Step 6: Final answer
    x = 6,323.71

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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.