Home / 15,585.40-23,378.10-9,364.60

Finding the Fourth Proportional to 15,585.40, 23,378.10 and 9,364.60

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Solution

The fourth proportional to 15,585.40, 23,378.10 and 9,364.60 is: 14,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585.40 : 23,378.10 = 9,364.60 : x
  2. Step 2: Convert to fraction form
    15,585.40/23,378.10 = 9,364.60/x
  3. Step 3: Cross multiply
    15,585.40x = 23,378.10 × 9,364.60
  4. Step 4: Simplify right side
    15,585.40x = 218,926,555.26
  5. Step 5: Solve for x
    x = 218,926,555.26/15,585.40
  6. Step 6: Final answer
    x = 14,046.90

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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.