Home / 14,430.27-21,606.30-7,490.19

Finding the Fourth Proportional to 14,430.27, 21,606.30 and 7,490.19

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Solution

The fourth proportional to 14,430.27, 21,606.30 and 7,490.19 is: 11,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.27 : 21,606.30 = 7,490.19 : x
  2. Step 2: Convert to fraction form
    14,430.27/21,606.30 = 7,490.19/x
  3. Step 3: Cross multiply
    14,430.27x = 21,606.30 × 7,490.19
  4. Step 4: Simplify right side
    14,430.27x = 161,835,310.92
  5. Step 5: Solve for x
    x = 161,835,310.92/14,430.27
  6. Step 6: Final answer
    x = 11,214.99

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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.