Home / 12,347.32-18,521.57-4,027.32

Finding the Fourth Proportional to 12,347.32, 18,521.57 and 4,027.32

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Solution

The fourth proportional to 12,347.32, 18,521.57 and 4,027.32 is: 6,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.32 : 18,521.57 = 4,027.32 : x
  2. Step 2: Convert to fraction form
    12,347.32/18,521.57 = 4,027.32/x
  3. Step 3: Cross multiply
    12,347.32x = 18,521.57 × 4,027.32
  4. Step 4: Simplify right side
    12,347.32x = 74,592,299.36
  5. Step 5: Solve for x
    x = 74,592,299.36/12,347.32
  6. Step 6: Final answer
    x = 6,041.17

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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.