Home / 9,659.77-14,491.52-3,419.08

Finding the Fourth Proportional to 9,659.77, 14,491.52 and 3,419.08

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Solution

The fourth proportional to 9,659.77, 14,491.52 and 3,419.08 is: 5,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659.77 : 14,491.52 = 3,419.08 : x
  2. Step 2: Convert to fraction form
    9,659.77/14,491.52 = 3,419.08/x
  3. Step 3: Cross multiply
    9,659.77x = 14,491.52 × 3,419.08
  4. Step 4: Simplify right side
    9,659.77x = 49,547,666.20
  5. Step 5: Solve for x
    x = 49,547,666.20/9,659.77
  6. Step 6: Final answer
    x = 5,129.28

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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.