Home / 18,210.63-27,259.35-9,869.95

Finding the Fourth Proportional to 18,210.63, 27,259.35 and 9,869.95

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Solution

The fourth proportional to 18,210.63, 27,259.35 and 9,869.95 is: 14,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.63 : 27,259.35 = 9,869.95 : x
  2. Step 2: Convert to fraction form
    18,210.63/27,259.35 = 9,869.95/x
  3. Step 3: Cross multiply
    18,210.63x = 27,259.35 × 9,869.95
  4. Step 4: Simplify right side
    18,210.63x = 269,048,421.53
  5. Step 5: Solve for x
    x = 269,048,421.53/18,210.63
  6. Step 6: Final answer
    x = 14,774.25

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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.