Home / 10,699.28-14,734.60-10,470.32

Finding the Fourth Proportional to 10,699.28, 14,734.60 and 10,470.32

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Solution

The fourth proportional to 10,699.28, 14,734.60 and 10,470.32 is: 14,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,699.28 : 14,734.60 = 10,470.32 : x
  2. Step 2: Convert to fraction form
    10,699.28/14,734.60 = 10,470.32/x
  3. Step 3: Cross multiply
    10,699.28x = 14,734.60 × 10,470.32
  4. Step 4: Simplify right side
    10,699.28x = 154,275,877.22
  5. Step 5: Solve for x
    x = 154,275,877.22/10,699.28
  6. Step 6: Final answer
    x = 14,419.28

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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.