Home / 14,931.60-22,397.40-12,015.60

Finding the Fourth Proportional to 14,931.60, 22,397.40 and 12,015.60

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Solution

The fourth proportional to 14,931.60, 22,397.40 and 12,015.60 is: 18,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,931.60 : 22,397.40 = 12,015.60 : x
  2. Step 2: Convert to fraction form
    14,931.60/22,397.40 = 12,015.60/x
  3. Step 3: Cross multiply
    14,931.60x = 22,397.40 × 12,015.60
  4. Step 4: Simplify right side
    14,931.60x = 269,118,199.44
  5. Step 5: Solve for x
    x = 269,118,199.44/14,931.60
  6. Step 6: Final answer
    x = 18,023.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.