Home / 9,678.21-14,526.23-5,987.65

Finding the Fourth Proportional to 9,678.21, 14,526.23 and 5,987.65

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Solution

The fourth proportional to 9,678.21, 14,526.23 and 5,987.65 is: 8,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.21 : 14,526.23 = 5,987.65 : x
  2. Step 2: Convert to fraction form
    9,678.21/14,526.23 = 5,987.65/x
  3. Step 3: Cross multiply
    9,678.21x = 14,526.23 × 5,987.65
  4. Step 4: Simplify right side
    9,678.21x = 86,977,914.81
  5. Step 5: Solve for x
    x = 86,977,914.81/9,678.21
  6. Step 6: Final answer
    x = 8,986.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.