Home / 12,038.07-16,608.21-7,000.45

Finding the Fourth Proportional to 12,038.07, 16,608.21 and 7,000.45

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Solution

The fourth proportional to 12,038.07, 16,608.21 and 7,000.45 is: 9,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.07 : 16,608.21 = 7,000.45 : x
  2. Step 2: Convert to fraction form
    12,038.07/16,608.21 = 7,000.45/x
  3. Step 3: Cross multiply
    12,038.07x = 16,608.21 × 7,000.45
  4. Step 4: Simplify right side
    12,038.07x = 116,264,981.70
  5. Step 5: Solve for x
    x = 116,264,981.70/12,038.07
  6. Step 6: Final answer
    x = 9,658.11

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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.