Home / 18,337.08-25,303.76-10,783.72

Finding the Fourth Proportional to 18,337.08, 25,303.76 and 10,783.72

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Solution

The fourth proportional to 18,337.08, 25,303.76 and 10,783.72 is: 14,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.08 : 25,303.76 = 10,783.72 : x
  2. Step 2: Convert to fraction form
    18,337.08/25,303.76 = 10,783.72/x
  3. Step 3: Cross multiply
    18,337.08x = 25,303.76 × 10,783.72
  4. Step 4: Simplify right side
    18,337.08x = 272,868,662.79
  5. Step 5: Solve for x
    x = 272,868,662.79/18,337.08
  6. Step 6: Final answer
    x = 14,880.70

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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.