Home / 9,017.79-13,528.75-3,174.45

Finding the Fourth Proportional to 9,017.79, 13,528.75 and 3,174.45

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Solution

The fourth proportional to 9,017.79, 13,528.75 and 3,174.45 is: 4,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.79 : 13,528.75 = 3,174.45 : x
  2. Step 2: Convert to fraction form
    9,017.79/13,528.75 = 3,174.45/x
  3. Step 3: Cross multiply
    9,017.79x = 13,528.75 × 3,174.45
  4. Step 4: Simplify right side
    9,017.79x = 42,946,340.44
  5. Step 5: Solve for x
    x = 42,946,340.44/9,017.79
  6. Step 6: Final answer
    x = 4,762.40

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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.