Home / 19,319.04-28,964.88-9,955.02

Finding the Fourth Proportional to 19,319.04, 28,964.88 and 9,955.02

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Solution

The fourth proportional to 19,319.04, 28,964.88 and 9,955.02 is: 14,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.04 : 28,964.88 = 9,955.02 : x
  2. Step 2: Convert to fraction form
    19,319.04/28,964.88 = 9,955.02/x
  3. Step 3: Cross multiply
    19,319.04x = 28,964.88 × 9,955.02
  4. Step 4: Simplify right side
    19,319.04x = 288,345,959.70
  5. Step 5: Solve for x
    x = 288,345,959.70/19,319.04
  6. Step 6: Final answer
    x = 14,925.48

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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.