Home / 19,477.67-29,200.10-7,784.51

Finding the Fourth Proportional to 19,477.67, 29,200.10 and 7,784.51

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Solution

The fourth proportional to 19,477.67, 29,200.10 and 7,784.51 is: 11,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.67 : 29,200.10 = 7,784.51 : x
  2. Step 2: Convert to fraction form
    19,477.67/29,200.10 = 7,784.51/x
  3. Step 3: Cross multiply
    19,477.67x = 29,200.10 × 7,784.51
  4. Step 4: Simplify right side
    19,477.67x = 227,308,285.53
  5. Step 5: Solve for x
    x = 227,308,285.53/19,477.67
  6. Step 6: Final answer
    x = 11,670.20

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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.