Home / 15,347.80-23,021.70-9,784.65

Finding the Fourth Proportional to 15,347.80, 23,021.70 and 9,784.65

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Solution

The fourth proportional to 15,347.80, 23,021.70 and 9,784.65 is: 14,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.80 : 23,021.70 = 9,784.65 : x
  2. Step 2: Convert to fraction form
    15,347.80/23,021.70 = 9,784.65/x
  3. Step 3: Cross multiply
    15,347.80x = 23,021.70 × 9,784.65
  4. Step 4: Simplify right side
    15,347.80x = 225,259,276.91
  5. Step 5: Solve for x
    x = 225,259,276.91/15,347.80
  6. Step 6: Final answer
    x = 14,676.98

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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.