Home / 10,374.39-14,316.41-6,341.20

Finding the Fourth Proportional to 10,374.39, 14,316.41 and 6,341.20

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Solution

The fourth proportional to 10,374.39, 14,316.41 and 6,341.20 is: 8,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.39 : 14,316.41 = 6,341.20 : x
  2. Step 2: Convert to fraction form
    10,374.39/14,316.41 = 6,341.20/x
  3. Step 3: Cross multiply
    10,374.39x = 14,316.41 × 6,341.20
  4. Step 4: Simplify right side
    10,374.39x = 90,783,199.15
  5. Step 5: Solve for x
    x = 90,783,199.15/10,374.39
  6. Step 6: Final answer
    x = 8,750.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.