Home / 12,938.24-19,407.36-8,583.52

Finding the Fourth Proportional to 12,938.24, 19,407.36 and 8,583.52

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Solution

The fourth proportional to 12,938.24, 19,407.36 and 8,583.52 is: 12,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938.24 : 19,407.36 = 8,583.52 : x
  2. Step 2: Convert to fraction form
    12,938.24/19,407.36 = 8,583.52/x
  3. Step 3: Cross multiply
    12,938.24x = 19,407.36 × 8,583.52
  4. Step 4: Simplify right side
    12,938.24x = 166,583,462.71
  5. Step 5: Solve for x
    x = 166,583,462.71/12,938.24
  6. Step 6: Final answer
    x = 12,875.28

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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.