Home / 17,736.90-24,477.08-9,779.40

Finding the Fourth Proportional to 17,736.90, 24,477.08 and 9,779.40

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Solution

The fourth proportional to 17,736.90, 24,477.08 and 9,779.40 is: 13,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,736.90 : 24,477.08 = 9,779.40 : x
  2. Step 2: Convert to fraction form
    17,736.90/24,477.08 = 9,779.40/x
  3. Step 3: Cross multiply
    17,736.90x = 24,477.08 × 9,779.40
  4. Step 4: Simplify right side
    17,736.90x = 239,371,156.15
  5. Step 5: Solve for x
    x = 239,371,156.15/17,736.90
  6. Step 6: Final answer
    x = 13,495.66

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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.