Home / 11,014.19-15,193.22-7,030.81

Finding the Fourth Proportional to 11,014.19, 15,193.22 and 7,030.81

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Solution

The fourth proportional to 11,014.19, 15,193.22 and 7,030.81 is: 9,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,014.19 : 15,193.22 = 7,030.81 : x
  2. Step 2: Convert to fraction form
    11,014.19/15,193.22 = 7,030.81/x
  3. Step 3: Cross multiply
    11,014.19x = 15,193.22 × 7,030.81
  4. Step 4: Simplify right side
    11,014.19x = 106,820,607.95
  5. Step 5: Solve for x
    x = 106,820,607.95/11,014.19
  6. Step 6: Final answer
    x = 9,698.45

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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.