Home / 13,296.71-19,959.65-5,510.99

Finding the Fourth Proportional to 13,296.71, 19,959.65 and 5,510.99

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Solution

The fourth proportional to 13,296.71, 19,959.65 and 5,510.99 is: 8,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.71 : 19,959.65 = 5,510.99 : x
  2. Step 2: Convert to fraction form
    13,296.71/19,959.65 = 5,510.99/x
  3. Step 3: Cross multiply
    13,296.71x = 19,959.65 × 5,510.99
  4. Step 4: Simplify right side
    13,296.71x = 109,997,495.23
  5. Step 5: Solve for x
    x = 109,997,495.23/13,296.71
  6. Step 6: Final answer
    x = 8,272.53

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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.