Home / 15,602.02-21,530.96-8,528.61

Finding the Fourth Proportional to 15,602.02, 21,530.96 and 8,528.61

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Solution

The fourth proportional to 15,602.02, 21,530.96 and 8,528.61 is: 11,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.02 : 21,530.96 = 8,528.61 : x
  2. Step 2: Convert to fraction form
    15,602.02/21,530.96 = 8,528.61/x
  3. Step 3: Cross multiply
    15,602.02x = 21,530.96 × 8,528.61
  4. Step 4: Simplify right side
    15,602.02x = 183,629,160.77
  5. Step 5: Solve for x
    x = 183,629,160.77/15,602.02
  6. Step 6: Final answer
    x = 11,769.58

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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.