Home / 13,088.19-18,065.67-8,898.87

Finding the Fourth Proportional to 13,088.19, 18,065.67 and 8,898.87

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Solution

The fourth proportional to 13,088.19, 18,065.67 and 8,898.87 is: 12,283.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.19 : 18,065.67 = 8,898.87 : x
  2. Step 2: Convert to fraction form
    13,088.19/18,065.67 = 8,898.87/x
  3. Step 3: Cross multiply
    13,088.19x = 18,065.67 × 8,898.87
  4. Step 4: Simplify right side
    13,088.19x = 160,764,048.79
  5. Step 5: Solve for x
    x = 160,764,048.79/13,088.19
  6. Step 6: Final answer
    x = 12,283.14

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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.