Home / 13,322.85-19,970.51-4,997.00

Finding the Fourth Proportional to 13,322.85, 19,970.51 and 4,997.00

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Solution

The fourth proportional to 13,322.85, 19,970.51 and 4,997.00 is: 7,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.85 : 19,970.51 = 4,997.00 : x
  2. Step 2: Convert to fraction form
    13,322.85/19,970.51 = 4,997.00/x
  3. Step 3: Cross multiply
    13,322.85x = 19,970.51 × 4,997.00
  4. Step 4: Simplify right side
    13,322.85x = 99,792,513.63
  5. Step 5: Solve for x
    x = 99,792,513.63/13,322.85
  6. Step 6: Final answer
    x = 7,490.33

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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.