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Finding the Fourth Proportional to 22,953.71, 34,430.72 and 6,315.50

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Solution

The fourth proportional to 22,953.71, 34,430.72 and 6,315.50 is: 9,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,953.71 : 34,430.72 = 6,315.50 : x
  2. Step 2: Convert to fraction form
    22,953.71/34,430.72 = 6,315.50/x
  3. Step 3: Cross multiply
    22,953.71x = 34,430.72 × 6,315.50
  4. Step 4: Simplify right side
    22,953.71x = 217,447,266.66
  5. Step 5: Solve for x
    x = 217,447,266.66/22,953.71
  6. Step 6: Final answer
    x = 9,473.29

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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.