Home / 10,378.71-14,322.38-5,663.07

Finding the Fourth Proportional to 10,378.71, 14,322.38 and 5,663.07

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Solution

The fourth proportional to 10,378.71, 14,322.38 and 5,663.07 is: 7,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.71 : 14,322.38 = 5,663.07 : x
  2. Step 2: Convert to fraction form
    10,378.71/14,322.38 = 5,663.07/x
  3. Step 3: Cross multiply
    10,378.71x = 14,322.38 × 5,663.07
  4. Step 4: Simplify right side
    10,378.71x = 81,108,612.19
  5. Step 5: Solve for x
    x = 81,108,612.19/10,378.71
  6. Step 6: Final answer
    x = 7,814.90

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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.