Home / 18,953.04-28,430.91-5,803.71

Finding the Fourth Proportional to 18,953.04, 28,430.91 and 5,803.71

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Solution

The fourth proportional to 18,953.04, 28,430.91 and 5,803.71 is: 8,705.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.04 : 28,430.91 = 5,803.71 : x
  2. Step 2: Convert to fraction form
    18,953.04/28,430.91 = 5,803.71/x
  3. Step 3: Cross multiply
    18,953.04x = 28,430.91 × 5,803.71
  4. Step 4: Simplify right side
    18,953.04x = 165,004,756.68
  5. Step 5: Solve for x
    x = 165,004,756.68/18,953.04
  6. Step 6: Final answer
    x = 8,705.98

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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.