Home / 15,619.60-23,429.40-14,890.60

Finding the Fourth Proportional to 15,619.60, 23,429.40 and 14,890.60

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Solution

The fourth proportional to 15,619.60, 23,429.40 and 14,890.60 is: 22,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.60 : 23,429.40 = 14,890.60 : x
  2. Step 2: Convert to fraction form
    15,619.60/23,429.40 = 14,890.60/x
  3. Step 3: Cross multiply
    15,619.60x = 23,429.40 × 14,890.60
  4. Step 4: Simplify right side
    15,619.60x = 348,877,823.64
  5. Step 5: Solve for x
    x = 348,877,823.64/15,619.60
  6. Step 6: Final answer
    x = 22,335.90

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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.