Home / 10,471.28-14,435.16-7,317.68

Finding the Fourth Proportional to 10,471.28, 14,435.16 and 7,317.68

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Solution

The fourth proportional to 10,471.28, 14,435.16 and 7,317.68 is: 10,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.28 : 14,435.16 = 7,317.68 : x
  2. Step 2: Convert to fraction form
    10,471.28/14,435.16 = 7,317.68/x
  3. Step 3: Cross multiply
    10,471.28x = 14,435.16 × 7,317.68
  4. Step 4: Simplify right side
    10,471.28x = 105,631,881.63
  5. Step 5: Solve for x
    x = 105,631,881.63/10,471.28
  6. Step 6: Final answer
    x = 10,087.77

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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.