Home / 19,030.17-28,528.20-7,340.70

Finding the Fourth Proportional to 19,030.17, 28,528.20 and 7,340.70

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Solution

The fourth proportional to 19,030.17, 28,528.20 and 7,340.70 is: 11,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.17 : 28,528.20 = 7,340.70 : x
  2. Step 2: Convert to fraction form
    19,030.17/28,528.20 = 7,340.70/x
  3. Step 3: Cross multiply
    19,030.17x = 28,528.20 × 7,340.70
  4. Step 4: Simplify right side
    19,030.17x = 209,416,957.74
  5. Step 5: Solve for x
    x = 209,416,957.74/19,030.17
  6. Step 6: Final answer
    x = 11,004.47

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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.