Home / 17,117.44-25,675.20-5,430.40

Finding the Fourth Proportional to 17,117.44, 25,675.20 and 5,430.40

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Solution

The fourth proportional to 17,117.44, 25,675.20 and 5,430.40 is: 8,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.44 : 25,675.20 = 5,430.40 : x
  2. Step 2: Convert to fraction form
    17,117.44/25,675.20 = 5,430.40/x
  3. Step 3: Cross multiply
    17,117.44x = 25,675.20 × 5,430.40
  4. Step 4: Simplify right side
    17,117.44x = 139,426,606.08
  5. Step 5: Solve for x
    x = 139,426,606.08/17,117.44
  6. Step 6: Final answer
    x = 8,145.30

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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.