Home / 15,878.98-23,783.28-10,869.40

Finding the Fourth Proportional to 15,878.98, 23,783.28 and 10,869.40

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Solution

The fourth proportional to 15,878.98, 23,783.28 and 10,869.40 is: 16,280.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.98 : 23,783.28 = 10,869.40 : x
  2. Step 2: Convert to fraction form
    15,878.98/23,783.28 = 10,869.40/x
  3. Step 3: Cross multiply
    15,878.98x = 23,783.28 × 10,869.40
  4. Step 4: Simplify right side
    15,878.98x = 258,509,983.63
  5. Step 5: Solve for x
    x = 258,509,983.63/15,878.98
  6. Step 6: Final answer
    x = 16,280.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.