Home / 14,328.90-19,775.13-7,956.73

Finding the Fourth Proportional to 14,328.90, 19,775.13 and 7,956.73

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Solution

The fourth proportional to 14,328.90, 19,775.13 and 7,956.73 is: 10,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.90 : 19,775.13 = 7,956.73 : x
  2. Step 2: Convert to fraction form
    14,328.90/19,775.13 = 7,956.73/x
  3. Step 3: Cross multiply
    14,328.90x = 19,775.13 × 7,956.73
  4. Step 4: Simplify right side
    14,328.90x = 157,345,300.80
  5. Step 5: Solve for x
    x = 157,345,300.80/14,328.90
  6. Step 6: Final answer
    x = 10,980.98

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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.