Home / 10,749.18-14,835.12-6,499.74

Finding the Fourth Proportional to 10,749.18, 14,835.12 and 6,499.74

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Solution

The fourth proportional to 10,749.18, 14,835.12 and 6,499.74 is: 8,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.18 : 14,835.12 = 6,499.74 : x
  2. Step 2: Convert to fraction form
    10,749.18/14,835.12 = 6,499.74/x
  3. Step 3: Cross multiply
    10,749.18x = 14,835.12 × 6,499.74
  4. Step 4: Simplify right side
    10,749.18x = 96,424,422.87
  5. Step 5: Solve for x
    x = 96,424,422.87/10,749.18
  6. Step 6: Final answer
    x = 8,970.40

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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.