Home / 10,056.90-13,878.40-5,580.54

Finding the Fourth Proportional to 10,056.90, 13,878.40 and 5,580.54

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Solution

The fourth proportional to 10,056.90, 13,878.40 and 5,580.54 is: 7,701.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.90 : 13,878.40 = 5,580.54 : x
  2. Step 2: Convert to fraction form
    10,056.90/13,878.40 = 5,580.54/x
  3. Step 3: Cross multiply
    10,056.90x = 13,878.40 × 5,580.54
  4. Step 4: Simplify right side
    10,056.90x = 77,448,966.34
  5. Step 5: Solve for x
    x = 77,448,966.34/10,056.90
  6. Step 6: Final answer
    x = 7,701.08

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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.