Home / 14,341.74-21,518.13-6,945.63

Finding the Fourth Proportional to 14,341.74, 21,518.13 and 6,945.63

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Solution

The fourth proportional to 14,341.74, 21,518.13 and 6,945.63 is: 10,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.74 : 21,518.13 = 6,945.63 : x
  2. Step 2: Convert to fraction form
    14,341.74/21,518.13 = 6,945.63/x
  3. Step 3: Cross multiply
    14,341.74x = 21,518.13 × 6,945.63
  4. Step 4: Simplify right side
    14,341.74x = 149,456,969.27
  5. Step 5: Solve for x
    x = 149,456,969.27/14,341.74
  6. Step 6: Final answer
    x = 10,421.12

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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.