Home / 9,210.11-12,709.94-5,018.36

Finding the Fourth Proportional to 9,210.11, 12,709.94 and 5,018.36

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Solution

The fourth proportional to 9,210.11, 12,709.94 and 5,018.36 is: 6,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.11 : 12,709.94 = 5,018.36 : x
  2. Step 2: Convert to fraction form
    9,210.11/12,709.94 = 5,018.36/x
  3. Step 3: Cross multiply
    9,210.11x = 12,709.94 × 5,018.36
  4. Step 4: Simplify right side
    9,210.11x = 63,782,965.86
  5. Step 5: Solve for x
    x = 63,782,965.86/9,210.11
  6. Step 6: Final answer
    x = 6,925.32

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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.