Home / 15,568.04-21,484.37-8,854.64

Finding the Fourth Proportional to 15,568.04, 21,484.37 and 8,854.64

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Solution

The fourth proportional to 15,568.04, 21,484.37 and 8,854.64 is: 12,219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.04 : 21,484.37 = 8,854.64 : x
  2. Step 2: Convert to fraction form
    15,568.04/21,484.37 = 8,854.64/x
  3. Step 3: Cross multiply
    15,568.04x = 21,484.37 × 8,854.64
  4. Step 4: Simplify right side
    15,568.04x = 190,236,296.83
  5. Step 5: Solve for x
    x = 190,236,296.83/15,568.04
  6. Step 6: Final answer
    x = 12,219.67

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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.