Home / 14,595.16-20,137.60-9,806.58

Finding the Fourth Proportional to 14,595.16, 20,137.60 and 9,806.58

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Solution

The fourth proportional to 14,595.16, 20,137.60 and 9,806.58 is: 13,530.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.16 : 20,137.60 = 9,806.58 : x
  2. Step 2: Convert to fraction form
    14,595.16/20,137.60 = 9,806.58/x
  3. Step 3: Cross multiply
    14,595.16x = 20,137.60 × 9,806.58
  4. Step 4: Simplify right side
    14,595.16x = 197,480,985.41
  5. Step 5: Solve for x
    x = 197,480,985.41/14,595.16
  6. Step 6: Final answer
    x = 13,530.58

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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.