Home / 20,583.04-28,394.16-13,016.60

Finding the Fourth Proportional to 20,583.04, 28,394.16 and 13,016.60

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Solution

The fourth proportional to 20,583.04, 28,394.16 and 13,016.60 is: 17,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.04 : 28,394.16 = 13,016.60 : x
  2. Step 2: Convert to fraction form
    20,583.04/28,394.16 = 13,016.60/x
  3. Step 3: Cross multiply
    20,583.04x = 28,394.16 × 13,016.60
  4. Step 4: Simplify right side
    20,583.04x = 369,595,423.06
  5. Step 5: Solve for x
    x = 369,595,423.06/20,583.04
  6. Step 6: Final answer
    x = 17,956.31

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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.