Home / 19,429.80-29,148.84-6,281.70

Finding the Fourth Proportional to 19,429.80, 29,148.84 and 6,281.70

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Solution

The fourth proportional to 19,429.80, 29,148.84 and 6,281.70 is: 9,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.80 : 29,148.84 = 6,281.70 : x
  2. Step 2: Convert to fraction form
    19,429.80/29,148.84 = 6,281.70/x
  3. Step 3: Cross multiply
    19,429.80x = 29,148.84 × 6,281.70
  4. Step 4: Simplify right side
    19,429.80x = 183,104,268.23
  5. Step 5: Solve for x
    x = 183,104,268.23/19,429.80
  6. Step 6: Final answer
    x = 9,423.89

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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.