Home / 18,898.24-28,457.23-14,002.60

Finding the Fourth Proportional to 18,898.24, 28,457.23 and 14,002.60

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Solution

The fourth proportional to 18,898.24, 28,457.23 and 14,002.60 is: 21,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.24 : 28,457.23 = 14,002.60 : x
  2. Step 2: Convert to fraction form
    18,898.24/28,457.23 = 14,002.60/x
  3. Step 3: Cross multiply
    18,898.24x = 28,457.23 × 14,002.60
  4. Step 4: Simplify right side
    18,898.24x = 398,475,208.80
  5. Step 5: Solve for x
    x = 398,475,208.80/18,898.24
  6. Step 6: Final answer
    x = 21,085.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.