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Finding the Fourth Proportional to 14,482.99, 19,995.56 and 9,953.47

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Solution

The fourth proportional to 14,482.99, 19,995.56 and 9,953.47 is: 13,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.99 : 19,995.56 = 9,953.47 : x
  2. Step 2: Convert to fraction form
    14,482.99/19,995.56 = 9,953.47/x
  3. Step 3: Cross multiply
    14,482.99x = 19,995.56 × 9,953.47
  4. Step 4: Simplify right side
    14,482.99x = 199,025,206.59
  5. Step 5: Solve for x
    x = 199,025,206.59/14,482.99
  6. Step 6: Final answer
    x = 13,742.00

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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.