Home / 19,516.28-29,275.62-7,827.98

Finding the Fourth Proportional to 19,516.28, 29,275.62 and 7,827.98

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Solution

The fourth proportional to 19,516.28, 29,275.62 and 7,827.98 is: 11,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.28 : 29,275.62 = 7,827.98 : x
  2. Step 2: Convert to fraction form
    19,516.28/29,275.62 = 7,827.98/x
  3. Step 3: Cross multiply
    19,516.28x = 29,275.62 × 7,827.98
  4. Step 4: Simplify right side
    19,516.28x = 229,168,967.85
  5. Step 5: Solve for x
    x = 229,168,967.85/19,516.28
  6. Step 6: Final answer
    x = 11,742.45

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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.