Home / 10,245.93-15,356.74-4,390.17

Finding the Fourth Proportional to 10,245.93, 15,356.74 and 4,390.17

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Solution

The fourth proportional to 10,245.93, 15,356.74 and 4,390.17 is: 6,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.93 : 15,356.74 = 4,390.17 : x
  2. Step 2: Convert to fraction form
    10,245.93/15,356.74 = 4,390.17/x
  3. Step 3: Cross multiply
    10,245.93x = 15,356.74 × 4,390.17
  4. Step 4: Simplify right side
    10,245.93x = 67,418,699.25
  5. Step 5: Solve for x
    x = 67,418,699.25/10,245.93
  6. Step 6: Final answer
    x = 6,580.05

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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.