Home / 19,417.32-29,127.74-7,727.88

Finding the Fourth Proportional to 19,417.32, 29,127.74 and 7,727.88

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Solution

The fourth proportional to 19,417.32, 29,127.74 and 7,727.88 is: 11,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.32 : 29,127.74 = 7,727.88 : x
  2. Step 2: Convert to fraction form
    19,417.32/29,127.74 = 7,727.88/x
  3. Step 3: Cross multiply
    19,417.32x = 29,127.74 × 7,727.88
  4. Step 4: Simplify right side
    19,417.32x = 225,095,679.39
  5. Step 5: Solve for x
    x = 225,095,679.39/19,417.32
  6. Step 6: Final answer
    x = 11,592.52

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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.