Home / 14,331.06-19,776.49-7,957.46

Finding the Fourth Proportional to 14,331.06, 19,776.49 and 7,957.46

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Solution

The fourth proportional to 14,331.06, 19,776.49 and 7,957.46 is: 10,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.06 : 19,776.49 = 7,957.46 : x
  2. Step 2: Convert to fraction form
    14,331.06/19,776.49 = 7,957.46/x
  3. Step 3: Cross multiply
    14,331.06x = 19,776.49 × 7,957.46
  4. Step 4: Simplify right side
    14,331.06x = 157,370,509.34
  5. Step 5: Solve for x
    x = 157,370,509.34/14,331.06
  6. Step 6: Final answer
    x = 10,981.08

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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.