Home / 19,339.48-26,686.02-10,955.98

Finding the Fourth Proportional to 19,339.48, 26,686.02 and 10,955.98

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Solution

The fourth proportional to 19,339.48, 26,686.02 and 10,955.98 is: 15,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.48 : 26,686.02 = 10,955.98 : x
  2. Step 2: Convert to fraction form
    19,339.48/26,686.02 = 10,955.98/x
  3. Step 3: Cross multiply
    19,339.48x = 26,686.02 × 10,955.98
  4. Step 4: Simplify right side
    19,339.48x = 292,371,501.40
  5. Step 5: Solve for x
    x = 292,371,501.40/19,339.48
  6. Step 6: Final answer
    x = 15,117.86

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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.