Home / 12,328.07-18,490.29-4,535.06

Finding the Fourth Proportional to 12,328.07, 18,490.29 and 4,535.06

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Solution

The fourth proportional to 12,328.07, 18,490.29 and 4,535.06 is: 6,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.07 : 18,490.29 = 4,535.06 : x
  2. Step 2: Convert to fraction form
    12,328.07/18,490.29 = 4,535.06/x
  3. Step 3: Cross multiply
    12,328.07x = 18,490.29 × 4,535.06
  4. Step 4: Simplify right side
    12,328.07x = 83,854,603.79
  5. Step 5: Solve for x
    x = 83,854,603.79/12,328.07
  6. Step 6: Final answer
    x = 6,801.92

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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.