Home / 9,417.42-12,988.86-6,898.62

Finding the Fourth Proportional to 9,417.42, 12,988.86 and 6,898.62

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Solution

The fourth proportional to 9,417.42, 12,988.86 and 6,898.62 is: 9,514.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.42 : 12,988.86 = 6,898.62 : x
  2. Step 2: Convert to fraction form
    9,417.42/12,988.86 = 6,898.62/x
  3. Step 3: Cross multiply
    9,417.42x = 12,988.86 × 6,898.62
  4. Step 4: Simplify right side
    9,417.42x = 89,605,209.37
  5. Step 5: Solve for x
    x = 89,605,209.37/9,417.42
  6. Step 6: Final answer
    x = 9,514.84

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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.