Home / 19,457.74-26,851.71-11,503.90

Finding the Fourth Proportional to 19,457.74, 26,851.71 and 11,503.90

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Solution

The fourth proportional to 19,457.74, 26,851.71 and 11,503.90 is: 15,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.74 : 26,851.71 = 11,503.90 : x
  2. Step 2: Convert to fraction form
    19,457.74/26,851.71 = 11,503.90/x
  3. Step 3: Cross multiply
    19,457.74x = 26,851.71 × 11,503.90
  4. Step 4: Simplify right side
    19,457.74x = 308,899,386.67
  5. Step 5: Solve for x
    x = 308,899,386.67/19,457.74
  6. Step 6: Final answer
    x = 15,875.40

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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.