Home / 14,139.07-21,203.20-4,649.17

Finding the Fourth Proportional to 14,139.07, 21,203.20 and 4,649.17

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Solution

The fourth proportional to 14,139.07, 21,203.20 and 4,649.17 is: 6,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.07 : 21,203.20 = 4,649.17 : x
  2. Step 2: Convert to fraction form
    14,139.07/21,203.20 = 4,649.17/x
  3. Step 3: Cross multiply
    14,139.07x = 21,203.20 × 4,649.17
  4. Step 4: Simplify right side
    14,139.07x = 98,577,281.34
  5. Step 5: Solve for x
    x = 98,577,281.34/14,139.07
  6. Step 6: Final answer
    x = 6,971.98

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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.