Home / 15,465.16-23,178.75-8,859.19

Finding the Fourth Proportional to 15,465.16, 23,178.75 and 8,859.19

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Solution

The fourth proportional to 15,465.16, 23,178.75 and 8,859.19 is: 13,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.16 : 23,178.75 = 8,859.19 : x
  2. Step 2: Convert to fraction form
    15,465.16/23,178.75 = 8,859.19/x
  3. Step 3: Cross multiply
    15,465.16x = 23,178.75 × 8,859.19
  4. Step 4: Simplify right side
    15,465.16x = 205,344,950.21
  5. Step 5: Solve for x
    x = 205,344,950.21/15,465.16
  6. Step 6: Final answer
    x = 13,277.91

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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.