Home / 18,688.41-28,037.66-6,210.45

Finding the Fourth Proportional to 18,688.41, 28,037.66 and 6,210.45

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Solution

The fourth proportional to 18,688.41, 28,037.66 and 6,210.45 is: 9,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688.41 : 28,037.66 = 6,210.45 : x
  2. Step 2: Convert to fraction form
    18,688.41/28,037.66 = 6,210.45/x
  3. Step 3: Cross multiply
    18,688.41x = 28,037.66 × 6,210.45
  4. Step 4: Simplify right side
    18,688.41x = 174,126,454.49
  5. Step 5: Solve for x
    x = 174,126,454.49/18,688.41
  6. Step 6: Final answer
    x = 9,317.35

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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.