Home / 22,001.76-30,362.48-12,570.28

Finding the Fourth Proportional to 22,001.76, 30,362.48 and 12,570.28

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Solution

The fourth proportional to 22,001.76, 30,362.48 and 12,570.28 is: 17,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.76 : 30,362.48 = 12,570.28 : x
  2. Step 2: Convert to fraction form
    22,001.76/30,362.48 = 12,570.28/x
  3. Step 3: Cross multiply
    22,001.76x = 30,362.48 × 12,570.28
  4. Step 4: Simplify right side
    22,001.76x = 381,664,875.09
  5. Step 5: Solve for x
    x = 381,664,875.09/22,001.76
  6. Step 6: Final answer
    x = 17,347.02

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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.