Home / 18,536.68-25,570.98-11,368.28

Finding the Fourth Proportional to 18,536.68, 25,570.98 and 11,368.28

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Solution

The fourth proportional to 18,536.68, 25,570.98 and 11,368.28 is: 15,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.68 : 25,570.98 = 11,368.28 : x
  2. Step 2: Convert to fraction form
    18,536.68/25,570.98 = 11,368.28/x
  3. Step 3: Cross multiply
    18,536.68x = 25,570.98 × 11,368.28
  4. Step 4: Simplify right side
    18,536.68x = 290,698,060.51
  5. Step 5: Solve for x
    x = 290,698,060.51/18,536.68
  6. Step 6: Final answer
    x = 15,682.32

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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.