Home / 12,548.13-18,829.48-5,622.63

Finding the Fourth Proportional to 12,548.13, 18,829.48 and 5,622.63

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Solution

The fourth proportional to 12,548.13, 18,829.48 and 5,622.63 is: 8,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.13 : 18,829.48 = 5,622.63 : x
  2. Step 2: Convert to fraction form
    12,548.13/18,829.48 = 5,622.63/x
  3. Step 3: Cross multiply
    12,548.13x = 18,829.48 × 5,622.63
  4. Step 4: Simplify right side
    12,548.13x = 105,871,199.13
  5. Step 5: Solve for x
    x = 105,871,199.13/12,548.13
  6. Step 6: Final answer
    x = 8,437.21

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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.