Home / 18,337.64-25,303.20-10,783.40

Finding the Fourth Proportional to 18,337.64, 25,303.20 and 10,783.40

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Solution

The fourth proportional to 18,337.64, 25,303.20 and 10,783.40 is: 14,879.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.64 : 25,303.20 = 10,783.40 : x
  2. Step 2: Convert to fraction form
    18,337.64/25,303.20 = 10,783.40/x
  3. Step 3: Cross multiply
    18,337.64x = 25,303.20 × 10,783.40
  4. Step 4: Simplify right side
    18,337.64x = 272,854,526.88
  5. Step 5: Solve for x
    x = 272,854,526.88/18,337.64
  6. Step 6: Final answer
    x = 14,879.48

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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.