Home / 18,756.13-25,886.65-10,802.96

Finding the Fourth Proportional to 18,756.13, 25,886.65 and 10,802.96

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Solution

The fourth proportional to 18,756.13, 25,886.65 and 10,802.96 is: 14,909.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.13 : 25,886.65 = 10,802.96 : x
  2. Step 2: Convert to fraction form
    18,756.13/25,886.65 = 10,802.96/x
  3. Step 3: Cross multiply
    18,756.13x = 25,886.65 × 10,802.96
  4. Step 4: Simplify right side
    18,756.13x = 279,652,444.48
  5. Step 5: Solve for x
    x = 279,652,444.48/18,756.13
  6. Step 6: Final answer
    x = 14,909.92

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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.