Home / 14,257.22-21,386.10-4,897.18

Finding the Fourth Proportional to 14,257.22, 21,386.10 and 4,897.18

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Solution

The fourth proportional to 14,257.22, 21,386.10 and 4,897.18 is: 7,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.22 : 21,386.10 = 4,897.18 : x
  2. Step 2: Convert to fraction form
    14,257.22/21,386.10 = 4,897.18/x
  3. Step 3: Cross multiply
    14,257.22x = 21,386.10 × 4,897.18
  4. Step 4: Simplify right side
    14,257.22x = 104,731,581.20
  5. Step 5: Solve for x
    x = 104,731,581.20/14,257.22
  6. Step 6: Final answer
    x = 7,345.86

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1.5x scale

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.