Home / 15,590.07-23,490.34-12,877.51

Finding the Fourth Proportional to 15,590.07, 23,490.34 and 12,877.51

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Solution

The fourth proportional to 15,590.07, 23,490.34 and 12,877.51 is: 19,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.07 : 23,490.34 = 12,877.51 : x
  2. Step 2: Convert to fraction form
    15,590.07/23,490.34 = 12,877.51/x
  3. Step 3: Cross multiply
    15,590.07x = 23,490.34 × 12,877.51
  4. Step 4: Simplify right side
    15,590.07x = 302,497,088.25
  5. Step 5: Solve for x
    x = 302,497,088.25/15,590.07
  6. Step 6: Final answer
    x = 19,403.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.