Home / 13,645.80-20,461.41-4,875.93

Finding the Fourth Proportional to 13,645.80, 20,461.41 and 4,875.93

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Solution

The fourth proportional to 13,645.80, 20,461.41 and 4,875.93 is: 7,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.80 : 20,461.41 = 4,875.93 : x
  2. Step 2: Convert to fraction form
    13,645.80/20,461.41 = 4,875.93/x
  3. Step 3: Cross multiply
    13,645.80x = 20,461.41 × 4,875.93
  4. Step 4: Simplify right side
    13,645.80x = 99,768,402.86
  5. Step 5: Solve for x
    x = 99,768,402.86/13,645.80
  6. Step 6: Final answer
    x = 7,311.29

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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.