Home / 10,305.64-15,458.77-2,909.33

Finding the Fourth Proportional to 10,305.64, 15,458.77 and 2,909.33

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Solution

The fourth proportional to 10,305.64, 15,458.77 and 2,909.33 is: 4,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.64 : 15,458.77 = 2,909.33 : x
  2. Step 2: Convert to fraction form
    10,305.64/15,458.77 = 2,909.33/x
  3. Step 3: Cross multiply
    10,305.64x = 15,458.77 × 2,909.33
  4. Step 4: Simplify right side
    10,305.64x = 44,974,663.32
  5. Step 5: Solve for x
    x = 44,974,663.32/10,305.64
  6. Step 6: Final answer
    x = 4,364.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.