Home / 14,088.92-21,154.08-7,861.10

Finding the Fourth Proportional to 14,088.92, 21,154.08 and 7,861.10

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Solution

The fourth proportional to 14,088.92, 21,154.08 and 7,861.10 is: 11,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.92 : 21,154.08 = 7,861.10 : x
  2. Step 2: Convert to fraction form
    14,088.92/21,154.08 = 7,861.10/x
  3. Step 3: Cross multiply
    14,088.92x = 21,154.08 × 7,861.10
  4. Step 4: Simplify right side
    14,088.92x = 166,294,338.29
  5. Step 5: Solve for x
    x = 166,294,338.29/14,088.92
  6. Step 6: Final answer
    x = 11,803.20

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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.