Home / 18,543.69-25,590.30-10,045.80

Finding the Fourth Proportional to 18,543.69, 25,590.30 and 10,045.80

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Solution

The fourth proportional to 18,543.69, 25,590.30 and 10,045.80 is: 13,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.69 : 25,590.30 = 10,045.80 : x
  2. Step 2: Convert to fraction form
    18,543.69/25,590.30 = 10,045.80/x
  3. Step 3: Cross multiply
    18,543.69x = 25,590.30 × 10,045.80
  4. Step 4: Simplify right side
    18,543.69x = 257,075,035.74
  5. Step 5: Solve for x
    x = 257,075,035.74/18,543.69
  6. Step 6: Final answer
    x = 13,863.21

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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.