Home / 13,403.80-20,095.98-9,010.36

Finding the Fourth Proportional to 13,403.80, 20,095.98 and 9,010.36

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Solution

The fourth proportional to 13,403.80, 20,095.98 and 9,010.36 is: 13,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.80 : 20,095.98 = 9,010.36 : x
  2. Step 2: Convert to fraction form
    13,403.80/20,095.98 = 9,010.36/x
  3. Step 3: Cross multiply
    13,403.80x = 20,095.98 × 9,010.36
  4. Step 4: Simplify right side
    13,403.80x = 181,072,014.35
  5. Step 5: Solve for x
    x = 181,072,014.35/13,403.80
  6. Step 6: Final answer
    x = 13,509.01

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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.