Home / 10,382.04-14,322.60-6,401.70

Finding the Fourth Proportional to 10,382.04, 14,322.60 and 6,401.70

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Solution

The fourth proportional to 10,382.04, 14,322.60 and 6,401.70 is: 8,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.04 : 14,322.60 = 6,401.70 : x
  2. Step 2: Convert to fraction form
    10,382.04/14,322.60 = 6,401.70/x
  3. Step 3: Cross multiply
    10,382.04x = 14,322.60 × 6,401.70
  4. Step 4: Simplify right side
    10,382.04x = 91,688,988.42
  5. Step 5: Solve for x
    x = 91,688,988.42/10,382.04
  6. Step 6: Final answer
    x = 8,831.50

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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.