Home / 13,840.34-19,077.84-9,051.80

Finding the Fourth Proportional to 13,840.34, 19,077.84 and 9,051.80

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Solution

The fourth proportional to 13,840.34, 19,077.84 and 9,051.80 is: 12,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.34 : 19,077.84 = 9,051.80 : x
  2. Step 2: Convert to fraction form
    13,840.34/19,077.84 = 9,051.80/x
  3. Step 3: Cross multiply
    13,840.34x = 19,077.84 × 9,051.80
  4. Step 4: Simplify right side
    13,840.34x = 172,688,696.72
  5. Step 5: Solve for x
    x = 172,688,696.72/13,840.34
  6. Step 6: Final answer
    x = 12,477.20

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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.