Home / 10,300.80-14,214.84-5,585.04

Finding the Fourth Proportional to 10,300.80, 14,214.84 and 5,585.04

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Solution

The fourth proportional to 10,300.80, 14,214.84 and 5,585.04 is: 7,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.80 : 14,214.84 = 5,585.04 : x
  2. Step 2: Convert to fraction form
    10,300.80/14,214.84 = 5,585.04/x
  3. Step 3: Cross multiply
    10,300.80x = 14,214.84 × 5,585.04
  4. Step 4: Simplify right side
    10,300.80x = 79,390,449.99
  5. Step 5: Solve for x
    x = 79,390,449.99/10,300.80
  6. Step 6: Final answer
    x = 7,707.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.