Home / 17,390.19-26,085.56-4,242.81

Finding the Fourth Proportional to 17,390.19, 26,085.56 and 4,242.81

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Solution

The fourth proportional to 17,390.19, 26,085.56 and 4,242.81 is: 6,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.19 : 26,085.56 = 4,242.81 : x
  2. Step 2: Convert to fraction form
    17,390.19/26,085.56 = 4,242.81/x
  3. Step 3: Cross multiply
    17,390.19x = 26,085.56 × 4,242.81
  4. Step 4: Simplify right side
    17,390.19x = 110,676,074.82
  5. Step 5: Solve for x
    x = 110,676,074.82/17,390.19
  6. Step 6: Final answer
    x = 6,364.28

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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.