Home / 19,014.30-28,521.45-4,974.30

Finding the Fourth Proportional to 19,014.30, 28,521.45 and 4,974.30

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Solution

The fourth proportional to 19,014.30, 28,521.45 and 4,974.30 is: 7,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.30 : 28,521.45 = 4,974.30 : x
  2. Step 2: Convert to fraction form
    19,014.30/28,521.45 = 4,974.30/x
  3. Step 3: Cross multiply
    19,014.30x = 28,521.45 × 4,974.30
  4. Step 4: Simplify right side
    19,014.30x = 141,874,248.74
  5. Step 5: Solve for x
    x = 141,874,248.74/19,014.30
  6. Step 6: Final answer
    x = 7,461.45

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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.