Home / 19,490.71-26,897.13-10,538.18

Finding the Fourth Proportional to 19,490.71, 26,897.13 and 10,538.18

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Solution

The fourth proportional to 19,490.71, 26,897.13 and 10,538.18 is: 14,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.71 : 26,897.13 = 10,538.18 : x
  2. Step 2: Convert to fraction form
    19,490.71/26,897.13 = 10,538.18/x
  3. Step 3: Cross multiply
    19,490.71x = 26,897.13 × 10,538.18
  4. Step 4: Simplify right side
    19,490.71x = 283,446,915.10
  5. Step 5: Solve for x
    x = 283,446,915.10/19,490.71
  6. Step 6: Final answer
    x = 14,542.67

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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.