Home / 19,477.88-29,205.15-8,934.70

Finding the Fourth Proportional to 19,477.88, 29,205.15 and 8,934.70

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Solution

The fourth proportional to 19,477.88, 29,205.15 and 8,934.70 is: 13,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.88 : 29,205.15 = 8,934.70 : x
  2. Step 2: Convert to fraction form
    19,477.88/29,205.15 = 8,934.70/x
  3. Step 3: Cross multiply
    19,477.88x = 29,205.15 × 8,934.70
  4. Step 4: Simplify right side
    19,477.88x = 260,939,253.71
  5. Step 5: Solve for x
    x = 260,939,253.71/19,477.88
  6. Step 6: Final answer
    x = 13,396.70

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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.