Home / 14,457.52-21,689.88-6,671.80

Finding the Fourth Proportional to 14,457.52, 21,689.88 and 6,671.80

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Solution

The fourth proportional to 14,457.52, 21,689.88 and 6,671.80 is: 10,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.52 : 21,689.88 = 6,671.80 : x
  2. Step 2: Convert to fraction form
    14,457.52/21,689.88 = 6,671.80/x
  3. Step 3: Cross multiply
    14,457.52x = 21,689.88 × 6,671.80
  4. Step 4: Simplify right side
    14,457.52x = 144,710,541.38
  5. Step 5: Solve for x
    x = 144,710,541.38/14,457.52
  6. Step 6: Final answer
    x = 10,009.36

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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.