Home / 13,130.04-19,696.28-5,230.64

Finding the Fourth Proportional to 13,130.04, 19,696.28 and 5,230.64

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Solution

The fourth proportional to 13,130.04, 19,696.28 and 5,230.64 is: 7,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.04 : 19,696.28 = 5,230.64 : x
  2. Step 2: Convert to fraction form
    13,130.04/19,696.28 = 5,230.64/x
  3. Step 3: Cross multiply
    13,130.04x = 19,696.28 × 5,230.64
  4. Step 4: Simplify right side
    13,130.04x = 103,024,150.02
  5. Step 5: Solve for x
    x = 103,024,150.02/13,130.04
  6. Step 6: Final answer
    x = 7,846.45

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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.