Home / 14,059.20-21,088.80-9,663.36

Finding the Fourth Proportional to 14,059.20, 21,088.80 and 9,663.36

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Solution

The fourth proportional to 14,059.20, 21,088.80 and 9,663.36 is: 14,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.20 : 21,088.80 = 9,663.36 : x
  2. Step 2: Convert to fraction form
    14,059.20/21,088.80 = 9,663.36/x
  3. Step 3: Cross multiply
    14,059.20x = 21,088.80 × 9,663.36
  4. Step 4: Simplify right side
    14,059.20x = 203,788,666.37
  5. Step 5: Solve for x
    x = 203,788,666.37/14,059.20
  6. Step 6: Final answer
    x = 14,495.04

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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.