Home / 19,470.52-26,869.32-10,638.52

Finding the Fourth Proportional to 19,470.52, 26,869.32 and 10,638.52

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Solution

The fourth proportional to 19,470.52, 26,869.32 and 10,638.52 is: 14,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.52 : 26,869.32 = 10,638.52 : x
  2. Step 2: Convert to fraction form
    19,470.52/26,869.32 = 10,638.52/x
  3. Step 3: Cross multiply
    19,470.52x = 26,869.32 × 10,638.52
  4. Step 4: Simplify right side
    19,470.52x = 285,849,798.21
  5. Step 5: Solve for x
    x = 285,849,798.21/19,470.52
  6. Step 6: Final answer
    x = 14,681.16

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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.