Home / 13,038.03-19,557.21-8,623.95

Finding the Fourth Proportional to 13,038.03, 19,557.21 and 8,623.95

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Solution

The fourth proportional to 13,038.03, 19,557.21 and 8,623.95 is: 12,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.03 : 19,557.21 = 8,623.95 : x
  2. Step 2: Convert to fraction form
    13,038.03/19,557.21 = 8,623.95/x
  3. Step 3: Cross multiply
    13,038.03x = 19,557.21 × 8,623.95
  4. Step 4: Simplify right side
    13,038.03x = 168,660,401.18
  5. Step 5: Solve for x
    x = 168,660,401.18/13,038.03
  6. Step 6: Final answer
    x = 12,936.03

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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.