Home / 12,699.02-19,041.24-7,508.54

Finding the Fourth Proportional to 12,699.02, 19,041.24 and 7,508.54

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Solution

The fourth proportional to 12,699.02, 19,041.24 and 7,508.54 is: 11,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.02 : 19,041.24 = 7,508.54 : x
  2. Step 2: Convert to fraction form
    12,699.02/19,041.24 = 7,508.54/x
  3. Step 3: Cross multiply
    12,699.02x = 19,041.24 × 7,508.54
  4. Step 4: Simplify right side
    12,699.02x = 142,971,912.19
  5. Step 5: Solve for x
    x = 142,971,912.19/12,699.02
  6. Step 6: Final answer
    x = 11,258.50

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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.