Home / 9,018.87-12,461.98-7,814.65

Finding the Fourth Proportional to 9,018.87, 12,461.98 and 7,814.65

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Solution

The fourth proportional to 9,018.87, 12,461.98 and 7,814.65 is: 10,798.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.87 : 12,461.98 = 7,814.65 : x
  2. Step 2: Convert to fraction form
    9,018.87/12,461.98 = 7,814.65/x
  3. Step 3: Cross multiply
    9,018.87x = 12,461.98 × 7,814.65
  4. Step 4: Simplify right side
    9,018.87x = 97,386,012.01
  5. Step 5: Solve for x
    x = 97,386,012.01/9,018.87
  6. Step 6: Final answer
    x = 10,798.03

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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.