Home / 19,506.04-29,259.78-9,115

Finding the Fourth Proportional to 19,506.04, 29,259.78 and 9,115

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Solution

The fourth proportional to 19,506.04, 29,259.78 and 9,115 is: 13,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506.04 : 29,259.78 = 9,115 : x
  2. Step 2: Convert to fraction form
    19,506.04/29,259.78 = 9,115/x
  3. Step 3: Cross multiply
    19,506.04x = 29,259.78 × 9,115
  4. Step 4: Simplify right side
    19,506.04x = 266,702,894.70
  5. Step 5: Solve for x
    x = 266,702,894.70/19,506.04
  6. Step 6: Final answer
    x = 13,672.84

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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.