Home / 9,558.40-14,339.04-2,985.12

Finding the Fourth Proportional to 9,558.40, 14,339.04 and 2,985.12

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Solution

The fourth proportional to 9,558.40, 14,339.04 and 2,985.12 is: 4,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,558.40 : 14,339.04 = 2,985.12 : x
  2. Step 2: Convert to fraction form
    9,558.40/14,339.04 = 2,985.12/x
  3. Step 3: Cross multiply
    9,558.40x = 14,339.04 × 2,985.12
  4. Step 4: Simplify right side
    9,558.40x = 42,803,755.08
  5. Step 5: Solve for x
    x = 42,803,755.08/9,558.40
  6. Step 6: Final answer
    x = 4,478.13

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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.