Home / 13,591.04-20,362.95-7,355.34

Finding the Fourth Proportional to 13,591.04, 20,362.95 and 7,355.34

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Solution

The fourth proportional to 13,591.04, 20,362.95 and 7,355.34 is: 11,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.04 : 20,362.95 = 7,355.34 : x
  2. Step 2: Convert to fraction form
    13,591.04/20,362.95 = 7,355.34/x
  3. Step 3: Cross multiply
    13,591.04x = 20,362.95 × 7,355.34
  4. Step 4: Simplify right side
    13,591.04x = 149,776,420.65
  5. Step 5: Solve for x
    x = 149,776,420.65/13,591.04
  6. Step 6: Final answer
    x = 11,020.24

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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.