Home / 13,036.17-17,980.36-8,558.29

Finding the Fourth Proportional to 13,036.17, 17,980.36 and 8,558.29

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Solution

The fourth proportional to 13,036.17, 17,980.36 and 8,558.29 is: 11,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.17 : 17,980.36 = 8,558.29 : x
  2. Step 2: Convert to fraction form
    13,036.17/17,980.36 = 8,558.29/x
  3. Step 3: Cross multiply
    13,036.17x = 17,980.36 × 8,558.29
  4. Step 4: Simplify right side
    13,036.17x = 153,881,135.18
  5. Step 5: Solve for x
    x = 153,881,135.18/13,036.17
  6. Step 6: Final answer
    x = 11,804.17

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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.