Home / 9,570.34-14,355.51-5,215.47

Finding the Fourth Proportional to 9,570.34, 14,355.51 and 5,215.47

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Solution

The fourth proportional to 9,570.34, 14,355.51 and 5,215.47 is: 7,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570.34 : 14,355.51 = 5,215.47 : x
  2. Step 2: Convert to fraction form
    9,570.34/14,355.51 = 5,215.47/x
  3. Step 3: Cross multiply
    9,570.34x = 14,355.51 × 5,215.47
  4. Step 4: Simplify right side
    9,570.34x = 74,870,705.66
  5. Step 5: Solve for x
    x = 74,870,705.66/9,570.34
  6. Step 6: Final answer
    x = 7,823.21

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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.