Home / 10,212.40-14,088.49-6,432.94

Finding the Fourth Proportional to 10,212.40, 14,088.49 and 6,432.94

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Solution

The fourth proportional to 10,212.40, 14,088.49 and 6,432.94 is: 8,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.40 : 14,088.49 = 6,432.94 : x
  2. Step 2: Convert to fraction form
    10,212.40/14,088.49 = 6,432.94/x
  3. Step 3: Cross multiply
    10,212.40x = 14,088.49 × 6,432.94
  4. Step 4: Simplify right side
    10,212.40x = 90,630,410.86
  5. Step 5: Solve for x
    x = 90,630,410.86/10,212.40
  6. Step 6: Final answer
    x = 8,874.55

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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.