Home / 15,548.60-21,457.02-8,475.03

Finding the Fourth Proportional to 15,548.60, 21,457.02 and 8,475.03

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Solution

The fourth proportional to 15,548.60, 21,457.02 and 8,475.03 is: 11,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.60 : 21,457.02 = 8,475.03 : x
  2. Step 2: Convert to fraction form
    15,548.60/21,457.02 = 8,475.03/x
  3. Step 3: Cross multiply
    15,548.60x = 21,457.02 × 8,475.03
  4. Step 4: Simplify right side
    15,548.60x = 181,848,780.93
  5. Step 5: Solve for x
    x = 181,848,780.93/15,548.60
  6. Step 6: Final answer
    x = 11,695.51

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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.