Home / 14,454-19,948.14-8,166.78

Finding the Fourth Proportional to 14,454, 19,948.14 and 8,166.78

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Solution

The fourth proportional to 14,454, 19,948.14 and 8,166.78 is: 11,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454 : 19,948.14 = 8,166.78 : x
  2. Step 2: Convert to fraction form
    14,454/19,948.14 = 8,166.78/x
  3. Step 3: Cross multiply
    14,454x = 19,948.14 × 8,166.78
  4. Step 4: Simplify right side
    14,454x = 162,912,070.79
  5. Step 5: Solve for x
    x = 162,912,070.79/14,454
  6. Step 6: Final answer
    x = 11,271.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.