Home / 15,570.90-23,355.69-7,248.05

Finding the Fourth Proportional to 15,570.90, 23,355.69 and 7,248.05

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Solution

The fourth proportional to 15,570.90, 23,355.69 and 7,248.05 is: 10,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.90 : 23,355.69 = 7,248.05 : x
  2. Step 2: Convert to fraction form
    15,570.90/23,355.69 = 7,248.05/x
  3. Step 3: Cross multiply
    15,570.90x = 23,355.69 × 7,248.05
  4. Step 4: Simplify right side
    15,570.90x = 169,283,208.90
  5. Step 5: Solve for x
    x = 169,283,208.90/15,570.90
  6. Step 6: Final answer
    x = 10,871.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.