Home / 19,148.56-28,727.43-9,276.30

Finding the Fourth Proportional to 19,148.56, 28,727.43 and 9,276.30

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Solution

The fourth proportional to 19,148.56, 28,727.43 and 9,276.30 is: 13,916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.56 : 28,727.43 = 9,276.30 : x
  2. Step 2: Convert to fraction form
    19,148.56/28,727.43 = 9,276.30/x
  3. Step 3: Cross multiply
    19,148.56x = 28,727.43 × 9,276.30
  4. Step 4: Simplify right side
    19,148.56x = 266,484,258.91
  5. Step 5: Solve for x
    x = 266,484,258.91/19,148.56
  6. Step 6: Final answer
    x = 13,916.67

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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.