Home / 14,649.30-21,971.70-4,788.63

Finding the Fourth Proportional to 14,649.30, 21,971.70 and 4,788.63

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Solution

The fourth proportional to 14,649.30, 21,971.70 and 4,788.63 is: 7,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.30 : 21,971.70 = 4,788.63 : x
  2. Step 2: Convert to fraction form
    14,649.30/21,971.70 = 4,788.63/x
  3. Step 3: Cross multiply
    14,649.30x = 21,971.70 × 4,788.63
  4. Step 4: Simplify right side
    14,649.30x = 105,214,341.77
  5. Step 5: Solve for x
    x = 105,214,341.77/14,649.30
  6. Step 6: Final answer
    x = 7,182.21

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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.