Home / 17,630.65-26,430.18-14,488.66

Finding the Fourth Proportional to 17,630.65, 26,430.18 and 14,488.66

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Solution

The fourth proportional to 17,630.65, 26,430.18 and 14,488.66 is: 21,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,630.65 : 26,430.18 = 14,488.66 : x
  2. Step 2: Convert to fraction form
    17,630.65/26,430.18 = 14,488.66/x
  3. Step 3: Cross multiply
    17,630.65x = 26,430.18 × 14,488.66
  4. Step 4: Simplify right side
    17,630.65x = 382,937,891.76
  5. Step 5: Solve for x
    x = 382,937,891.76/17,630.65
  6. Step 6: Final answer
    x = 21,720.01

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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.