Home / 13,376.03-20,063.70-7,762.10

Finding the Fourth Proportional to 13,376.03, 20,063.70 and 7,762.10

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Solution

The fourth proportional to 13,376.03, 20,063.70 and 7,762.10 is: 11,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.03 : 20,063.70 = 7,762.10 : x
  2. Step 2: Convert to fraction form
    13,376.03/20,063.70 = 7,762.10/x
  3. Step 3: Cross multiply
    13,376.03x = 20,063.70 × 7,762.10
  4. Step 4: Simplify right side
    13,376.03x = 155,736,345.45
  5. Step 5: Solve for x
    x = 155,736,345.45/13,376.03
  6. Step 6: Final answer
    x = 11,642.95

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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.