Home / 15,294.02-21,106.58-11,510.37

Finding the Fourth Proportional to 15,294.02, 21,106.58 and 11,510.37

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Solution

The fourth proportional to 15,294.02, 21,106.58 and 11,510.37 is: 15,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294.02 : 21,106.58 = 11,510.37 : x
  2. Step 2: Convert to fraction form
    15,294.02/21,106.58 = 11,510.37/x
  3. Step 3: Cross multiply
    15,294.02x = 21,106.58 × 11,510.37
  4. Step 4: Simplify right side
    15,294.02x = 242,944,487.68
  5. Step 5: Solve for x
    x = 242,944,487.68/15,294.02
  6. Step 6: Final answer
    x = 15,884.94

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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.