Home / 12,303.19-18,454.84-4,909.51

Finding the Fourth Proportional to 12,303.19, 18,454.84 and 4,909.51

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Solution

The fourth proportional to 12,303.19, 18,454.84 and 4,909.51 is: 7,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.19 : 18,454.84 = 4,909.51 : x
  2. Step 2: Convert to fraction form
    12,303.19/18,454.84 = 4,909.51/x
  3. Step 3: Cross multiply
    12,303.19x = 18,454.84 × 4,909.51
  4. Step 4: Simplify right side
    12,303.19x = 90,604,232.32
  5. Step 5: Solve for x
    x = 90,604,232.32/12,303.19
  6. Step 6: Final answer
    x = 7,364.29

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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.