Home / 13,984.08-19,298.16-7,696.50

Finding the Fourth Proportional to 13,984.08, 19,298.16 and 7,696.50

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Solution

The fourth proportional to 13,984.08, 19,298.16 and 7,696.50 is: 10,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.08 : 19,298.16 = 7,696.50 : x
  2. Step 2: Convert to fraction form
    13,984.08/19,298.16 = 7,696.50/x
  3. Step 3: Cross multiply
    13,984.08x = 19,298.16 × 7,696.50
  4. Step 4: Simplify right side
    13,984.08x = 148,528,288.44
  5. Step 5: Solve for x
    x = 148,528,288.44/13,984.08
  6. Step 6: Final answer
    x = 10,621.24

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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.