Home / 14,155.39-19,528.99-9,119.22

Finding the Fourth Proportional to 14,155.39, 19,528.99 and 9,119.22

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Solution

The fourth proportional to 14,155.39, 19,528.99 and 9,119.22 is: 12,581.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.39 : 19,528.99 = 9,119.22 : x
  2. Step 2: Convert to fraction form
    14,155.39/19,528.99 = 9,119.22/x
  3. Step 3: Cross multiply
    14,155.39x = 19,528.99 × 9,119.22
  4. Step 4: Simplify right side
    14,155.39x = 178,089,156.19
  5. Step 5: Solve for x
    x = 178,089,156.19/14,155.39
  6. Step 6: Final answer
    x = 12,581.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.