Home / 9,856.25-13,603.91-6,499.67

Finding the Fourth Proportional to 9,856.25, 13,603.91 and 6,499.67

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Solution

The fourth proportional to 9,856.25, 13,603.91 and 6,499.67 is: 8,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,856.25 : 13,603.91 = 6,499.67 : x
  2. Step 2: Convert to fraction form
    9,856.25/13,603.91 = 6,499.67/x
  3. Step 3: Cross multiply
    9,856.25x = 13,603.91 × 6,499.67
  4. Step 4: Simplify right side
    9,856.25x = 88,420,925.71
  5. Step 5: Solve for x
    x = 88,420,925.71/9,856.25
  6. Step 6: Final answer
    x = 8,971.05

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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.