Home / 19,341.17-26,695.54-12,985.65

Finding the Fourth Proportional to 19,341.17, 26,695.54 and 12,985.65

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Solution

The fourth proportional to 19,341.17, 26,695.54 and 12,985.65 is: 17,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.17 : 26,695.54 = 12,985.65 : x
  2. Step 2: Convert to fraction form
    19,341.17/26,695.54 = 12,985.65/x
  3. Step 3: Cross multiply
    19,341.17x = 26,695.54 × 12,985.65
  4. Step 4: Simplify right side
    19,341.17x = 346,658,939.00
  5. Step 5: Solve for x
    x = 346,658,939.00/19,341.17
  6. Step 6: Final answer
    x = 17,923.37

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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.