Home / 10,426.86-14,389.65-6,178.21

Finding the Fourth Proportional to 10,426.86, 14,389.65 and 6,178.21

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Solution

The fourth proportional to 10,426.86, 14,389.65 and 6,178.21 is: 8,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.86 : 14,389.65 = 6,178.21 : x
  2. Step 2: Convert to fraction form
    10,426.86/14,389.65 = 6,178.21/x
  3. Step 3: Cross multiply
    10,426.86x = 14,389.65 × 6,178.21
  4. Step 4: Simplify right side
    10,426.86x = 88,902,243.55
  5. Step 5: Solve for x
    x = 88,902,243.55/10,426.86
  6. Step 6: Final answer
    x = 8,526.27

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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.