Home / 19,007.10-28,502.45-7,312.14

Finding the Fourth Proportional to 19,007.10, 28,502.45 and 7,312.14

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Solution

The fourth proportional to 19,007.10, 28,502.45 and 7,312.14 is: 10,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007.10 : 28,502.45 = 7,312.14 : x
  2. Step 2: Convert to fraction form
    19,007.10/28,502.45 = 7,312.14/x
  3. Step 3: Cross multiply
    19,007.10x = 28,502.45 × 7,312.14
  4. Step 4: Simplify right side
    19,007.10x = 208,413,868.18
  5. Step 5: Solve for x
    x = 208,413,868.18/19,007.10
  6. Step 6: Final answer
    x = 10,965.05

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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.