Home / 15,187.02-20,957.58-8,899.26

Finding the Fourth Proportional to 15,187.02, 20,957.58 and 8,899.26

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Solution

The fourth proportional to 15,187.02, 20,957.58 and 8,899.26 is: 12,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.02 : 20,957.58 = 8,899.26 : x
  2. Step 2: Convert to fraction form
    15,187.02/20,957.58 = 8,899.26/x
  3. Step 3: Cross multiply
    15,187.02x = 20,957.58 × 8,899.26
  4. Step 4: Simplify right side
    15,187.02x = 186,506,953.39
  5. Step 5: Solve for x
    x = 186,506,953.39/15,187.02
  6. Step 6: Final answer
    x = 12,280.68

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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.