Home / 13,215.49-19,823.73-4,897.60

Finding the Fourth Proportional to 13,215.49, 19,823.73 and 4,897.60

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Solution

The fourth proportional to 13,215.49, 19,823.73 and 4,897.60 is: 7,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215.49 : 19,823.73 = 4,897.60 : x
  2. Step 2: Convert to fraction form
    13,215.49/19,823.73 = 4,897.60/x
  3. Step 3: Cross multiply
    13,215.49x = 19,823.73 × 4,897.60
  4. Step 4: Simplify right side
    13,215.49x = 97,088,700.05
  5. Step 5: Solve for x
    x = 97,088,700.05/13,215.49
  6. Step 6: Final answer
    x = 7,346.58

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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.