Home / 14,368.01-21,507.44-7,777.85

Finding the Fourth Proportional to 14,368.01, 21,507.44 and 7,777.85

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Solution

The fourth proportional to 14,368.01, 21,507.44 and 7,777.85 is: 11,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.01 : 21,507.44 = 7,777.85 : x
  2. Step 2: Convert to fraction form
    14,368.01/21,507.44 = 7,777.85/x
  3. Step 3: Cross multiply
    14,368.01x = 21,507.44 × 7,777.85
  4. Step 4: Simplify right side
    14,368.01x = 167,281,495.78
  5. Step 5: Solve for x
    x = 167,281,495.78/14,368.01
  6. Step 6: Final answer
    x = 11,642.64

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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.