Home / 13,116.40-19,663.66-6,533.53

Finding the Fourth Proportional to 13,116.40, 19,663.66 and 6,533.53

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Solution

The fourth proportional to 13,116.40, 19,663.66 and 6,533.53 is: 9,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.40 : 19,663.66 = 6,533.53 : x
  2. Step 2: Convert to fraction form
    13,116.40/19,663.66 = 6,533.53/x
  3. Step 3: Cross multiply
    13,116.40x = 19,663.66 × 6,533.53
  4. Step 4: Simplify right side
    13,116.40x = 128,473,071.53
  5. Step 5: Solve for x
    x = 128,473,071.53/13,116.40
  6. Step 6: Final answer
    x = 9,794.84

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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.