Home / 18,915.48-26,106.60-10,962.60

Finding the Fourth Proportional to 18,915.48, 26,106.60 and 10,962.60

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Solution

The fourth proportional to 18,915.48, 26,106.60 and 10,962.60 is: 15,130.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,915.48 : 26,106.60 = 10,962.60 : x
  2. Step 2: Convert to fraction form
    18,915.48/26,106.60 = 10,962.60/x
  3. Step 3: Cross multiply
    18,915.48x = 26,106.60 × 10,962.60
  4. Step 4: Simplify right side
    18,915.48x = 286,196,213.16
  5. Step 5: Solve for x
    x = 286,196,213.16/18,915.48
  6. Step 6: Final answer
    x = 15,130.26

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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.