Home / 13,526.14-18,643.77-9,048.28

Finding the Fourth Proportional to 13,526.14, 18,643.77 and 9,048.28

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Solution

The fourth proportional to 13,526.14, 18,643.77 and 9,048.28 is: 12,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.14 : 18,643.77 = 9,048.28 : x
  2. Step 2: Convert to fraction form
    13,526.14/18,643.77 = 9,048.28/x
  3. Step 3: Cross multiply
    13,526.14x = 18,643.77 × 9,048.28
  4. Step 4: Simplify right side
    13,526.14x = 168,694,051.22
  5. Step 5: Solve for x
    x = 168,694,051.22/13,526.14
  6. Step 6: Final answer
    x = 12,471.71

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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.