Home / 9,209.51-12,709.13-5,017.76

Finding the Fourth Proportional to 9,209.51, 12,709.13 and 5,017.76

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Solution

The fourth proportional to 9,209.51, 12,709.13 and 5,017.76 is: 6,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.51 : 12,709.13 = 5,017.76 : x
  2. Step 2: Convert to fraction form
    9,209.51/12,709.13 = 5,017.76/x
  3. Step 3: Cross multiply
    9,209.51x = 12,709.13 × 5,017.76
  4. Step 4: Simplify right side
    9,209.51x = 63,771,275.51
  5. Step 5: Solve for x
    x = 63,771,275.51/9,209.51
  6. Step 6: Final answer
    x = 6,924.51

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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.