Home / 12,488.04-17,232.58-6,899.40

Finding the Fourth Proportional to 12,488.04, 17,232.58 and 6,899.40

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Solution

The fourth proportional to 12,488.04, 17,232.58 and 6,899.40 is: 9,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.04 : 17,232.58 = 6,899.40 : x
  2. Step 2: Convert to fraction form
    12,488.04/17,232.58 = 6,899.40/x
  3. Step 3: Cross multiply
    12,488.04x = 17,232.58 × 6,899.40
  4. Step 4: Simplify right side
    12,488.04x = 118,894,462.45
  5. Step 5: Solve for x
    x = 118,894,462.45/12,488.04
  6. Step 6: Final answer
    x = 9,520.67

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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.