Home / 13,365.50-20,045.67-4,006.70

Finding the Fourth Proportional to 13,365.50, 20,045.67 and 4,006.70

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Solution

The fourth proportional to 13,365.50, 20,045.67 and 4,006.70 is: 6,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.50 : 20,045.67 = 4,006.70 : x
  2. Step 2: Convert to fraction form
    13,365.50/20,045.67 = 4,006.70/x
  3. Step 3: Cross multiply
    13,365.50x = 20,045.67 × 4,006.70
  4. Step 4: Simplify right side
    13,365.50x = 80,316,985.99
  5. Step 5: Solve for x
    x = 80,316,985.99/13,365.50
  6. Step 6: Final answer
    x = 6,009.28

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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.