Home / 19,642.19-29,445.84-7,159.88

Finding the Fourth Proportional to 19,642.19, 29,445.84 and 7,159.88

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Solution

The fourth proportional to 19,642.19, 29,445.84 and 7,159.88 is: 10,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642.19 : 29,445.84 = 7,159.88 : x
  2. Step 2: Convert to fraction form
    19,642.19/29,445.84 = 7,159.88/x
  3. Step 3: Cross multiply
    19,642.19x = 29,445.84 × 7,159.88
  4. Step 4: Simplify right side
    19,642.19x = 210,828,533.67
  5. Step 5: Solve for x
    x = 210,828,533.67/19,642.19
  6. Step 6: Final answer
    x = 10,733.46

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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.